Bracewell, P. (2003) Monitoring meaningful Rugby ratings. Journal of Sports Sciences 21, 611-620.

Deutsch, M., Kearney, G. and Rehrer, N.J. (2007) Time- motion analysis of professional Rugby union players during match-play. Journal of Sports Sciences 225, 461-472.

Duthie, G., Pyne, D. and Hooper, S. (2005) Time motion analysis of 2001 and 2002 Super 12 Rugby. Journal of Sports Sciences 23, 523-530.

Gómez, M., Lorenzo, A., Ortega, E., Sampaio, J. and Ibáñez, S. (2009) Game related statistics discriminating between starters and nonstarters players in Women's National Basketball Association League (WNBA). Journal of Sports Science and Medicine 8, 278-283.

Hughes, M. and Bartlett, R. (2002) The use of performance indicators in performance analysis. Journal of Sports Sciences 20, 739-754.

Hughes, M. and White, P. (1996) An analysis of forward play in the 1991 Rugby union world cup for men. In: Notational Analysis of Sport I & II. Ed: Hughes, M. Cardiff, University of Wales. 183 -191

James, N., Mellalieu, S. and Jones, N. (2005) The development of position specific performance indicators in professional Rugby union. Journal of Sports Sciences 23, 63-72.

Jones, N., Mellalieu, S. and James, N. (2004a) Team performance indicators as a function of winning and losing in Rugby union. International Journal of Performance Analysis in Sport 4, 61-71.

Jones, N., Mellalieu, S., James, N. and Moise, J. (2004b) Contact area playing styles of northern and southern hemisphere international Rugby union teams. In: Performance Analysis of Sport VI. Eds: O'Donoghue, P. and Hughes, M. 114-119.

Norušis, M. (1993) SPSS for Windows release 6.0. Chicago: SPSS Inc.

O'Donoghue, P. and Williams, J. (2005) The effect of rules change on match and ball in playtime in Rugby union. International Journal of Performance Analysis in Sport 2, 6-20.

Pedhazur, E. J. (1982) Multiple Regression in Behavioral Research. Holt, Rinehart & Winston, New York.

Sampaio, J. and Janeira, M. (2003) Statistical Analyses of Basketball Team Performance: Understanding teams´ wins and losses according to a different index of ball possessions. International Journal of Performance Analysis in Sport 3, 40-46.

Sampaio, J., Drinkwater, E. J. and Leite, N. (2010a) Effects of season period, team quality, and playing time on basketball players' game-related statistics. European Journal of Sports Sciences 10, 141-149.

Sampaio, J., Lago, C. and Drinkwater, E. J. (2010b) Explanations for the United States of America's dominance in basketball at the Beijing Olympic Games (2008). Journal of Sports Sciences, DOI: 10.1080/02640410903380486.

Silva, A. and Stam, A. (1995) Discriminant analysis. In: Reading and understanding multivariate statistics. Eds: Grimm, L. and Yarnold, P. Washington: American Psychological Association. 277-318.

Tabachnick, B. and Fidell, L. (1989) Using Multivariate Statistics. 2nd Edition. New York.

Van Rooyen, M., Lambert, I. and Noakes, D. (2005) A Retrospective analysis of the IRB statistics and video analysis of match play to explain the performance of four teams in the 2003 Rugby World Cup. International Journal of Performance Analysis in Sport 1, 57-72.