APA aipamena

Krebs, J. R. (1981). An introduction to behavioural ecology. Sunderland, Mass: Sinauer Associates Inc.

Chicago Style aipamena

Krebs, J. R. An Introduction to Behavioural Ecology. Sunderland, Mass: Sinauer Associates Inc, 1981.

MLA aipamena

Krebs, J. R. An Introduction to Behavioural Ecology. Sunderland, Mass: Sinauer Associates Inc, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.