APA aipamena

Bobo, M., & Dykes, S. (1998). Principles of coaching football. Boston: Allyn and Bacon.

Chicago Style aipamena

Bobo, Mike., và Spike Dykes. Principles of Coaching Football. Boston: Allyn and Bacon, 1998.

MLA aipamena

Bobo, Mike., và Spike Dykes. Principles of Coaching Football. Boston: Allyn and Bacon, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.