APA (7e ed.) Bronvermelding

Krebs, J. R., & Davies, N. B. (1981). An introduction to behavioural ecology. Sinauer Associates.

Chicago (17e ed.) Bronvermelding

Krebs, J. R., en N. B. Davies. An Introduction to Behavioural Ecology. Sunderland, Mass.: Sinauer Associates, 1981.

MLA (9e ed.) Bronvermelding

Krebs, J. R., en N. B. Davies. An Introduction to Behavioural Ecology. Sinauer Associates, 1981.