APA citiranje

Krebs, C. J. (1999). Ecological methodology. Menlo Park, Calif: Benjamin/Cummings.

Trích dẫn kiểu Chicago

Krebs, Charles J. Ecological Methodology. Menlo Park, Calif: Benjamin/Cummings, 1999.

MLA citiranje

Krebs, Charles J. Ecological Methodology. Menlo Park, Calif: Benjamin/Cummings, 1999.

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