APA (7th ed.) Zitazioa

Hopper, R. M. (2015). Bovine reproduction. Wiley Blackwell.

Chicago Style (17th ed.) Zitazioa

Hopper, Richard M. Bovine Reproduction. Chichester, England ; Oxford, England: Wiley Blackwell, 2015.

MLA (9th ed.) Zitazioa

Hopper, Richard M. Bovine Reproduction. Wiley Blackwell, 2015.