APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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