APA aipamena

Beauchamp, G. (2008). Sleeping gulls monitor the vigilance behaviour of their neighbours. The Royal Society.

Chicago Style aipamena

Beauchamp, Guy. Sleeping Gulls Monitor the Vigilance Behaviour of Their Neighbours. The Royal Society, 2008.

MLA aipamena

Beauchamp, Guy. Sleeping Gulls Monitor the Vigilance Behaviour of Their Neighbours. The Royal Society, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.