APA aipamena

Pizzari, T., & Birkhead, T. (2000). Female feral fowl eject sperm of subdominant males.

Chicago Style aipamena

Pizzari, T., and T. Birkhead. Female Feral Fowl Eject Sperm of Subdominant Males. 2000.

MLA aipamena

Pizzari, T., and T. Birkhead. Female Feral Fowl Eject Sperm of Subdominant Males. 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.