Aykroyd, P. (1980). Skills and tactis of gymnastics.
Chicago Style aipamenaAykroyd, Peter. Skills and Tactis of Gymnastics. HongKong, Marshall Cavendish, 1980.
MLA aipamenaAykroyd, Peter. Skills and Tactis of Gymnastics. 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.