Glyn C Roberts & Darren C Treasure. (2012). Advances in motivation in sport and exercise (3rd.). Human Kinetics.
Chicago Style aipamenaGlyn C Roberts and Darren C Treasure. Advances in Motivation in Sport and Exercise. 3rd. Champaign: Human Kinetics, 2012.
MLA aipamenaGlyn C Roberts and Darren C Treasure. Advances in Motivation in Sport and Exercise. 3rd. Human Kinetics, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.