Carvalho, J, Macas, V & Sampaio, J. (2004). Game activity profile of football referees according to different levels of competition. Journal of Sports Sciences, 22 (6), 502-503.
APA-Zitierstil (7. Ausg.)Carvalho, J., Macas, V., & Sampaio, J. (2004). Game activity profile of football referees according to different levels of competition. Journal of Sports Sciences, 22(6), 502-503.
Chicago-Zitierstil (17. Ausg.)Carvalho, J., V. Macas, und J. Sampaio. "Game Activity Profile of Football Referees According to Different Levels of Competition." Journal of Sports Sciences 22, no. 6 (2004): 502-503.
MLA-Zitierstil (9. Ausg.)Carvalho, J., et al. "Game Activity Profile of Football Referees According to Different Levels of Competition." Journal of Sports Sciences, vol. 22, no. 6, 2004, pp. 502-503.