APA citiranje

Robert E Ricklifs. (1990). Ecology. New York: W.H. Freeman and Co.

Trích dẫn kiểu Chicago

Robert E Ricklifs. Ecology. New York: W.H. Freeman and Co, 1990.

MLA citiranje

Robert E Ricklifs. Ecology. New York: W.H. Freeman and Co, 1990.

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