Gaya APA

Harris, D, V., Harris, B, L. (1984). The Athlete's guide to sports pscyhology : mental skills for physical people . Champaign, IL: Leisure Press.

Gaya MLA

Harris, Dorothy, V.., Harris, Bette, L.. "The Athlete's guide to sports pscyhology : mental skills for physical people". Champaign, IL: Leisure Press, 1984. Text.