APA aipamena

E S E Hafez. (1987). reproduction in farm animals (4th.). Lea And Febiger.

Chicago Style aipamena

E S E Hafez. Reproduction in Farm Animals. 4th. Lea And Febiger, 1987.

MLA aipamena

E S E Hafez. Reproduction in Farm Animals. 4th. Lea And Febiger, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.