APA aipamena

Sheldon, B., & Birkhead, T. (1994). REPRODUCTIVE ANATOMY OF THE CHAFFINCH IN RELATION TO SPERM COMPETITION.

Chicago Style aipamena

Sheldon, B., and T. Birkhead. REPRODUCTIVE ANATOMY OF THE CHAFFINCH IN RELATION TO SPERM COMPETITION. 1994.

MLA aipamena

Sheldon, B., and T. Birkhead. REPRODUCTIVE ANATOMY OF THE CHAFFINCH IN RELATION TO SPERM COMPETITION. 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.