APA aipamena

Parker, G., & Pizzari, T. (2010). Sperm competition and ejaculate economics.

Chicago Style aipamena

Parker, G., and T. Pizzari. Sperm Competition and Ejaculate Economics. 2010.

MLA aipamena

Parker, G., and T. Pizzari. Sperm Competition and Ejaculate Economics. 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.