Williams, J. M. Applied sport psychology: Personal growth to peak performance. Mayfield Publishing Co.
Chicago Style aipamenaWilliams, Jean M. Applied Sport Psychology: Personal Growth to Peak Performance. CAlifornia: Mayfield Publishing Co.
MLA aipamenaWilliams, Jean M. Applied Sport Psychology: Personal Growth to Peak Performance. Mayfield Publishing Co.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.