APA citiranje

Schwoerbel, J. (1970). Methods of hydrobiology (freshwater biology). Oxford: Pergamon Press.

Trích dẫn kiểu Chicago

Schwoerbel, Jurgen. Methods of Hydrobiology (freshwater Biology). Oxford: Pergamon Press, 1970.

MLA citiranje

Schwoerbel, Jurgen. Methods of Hydrobiology (freshwater Biology). Oxford: Pergamon Press, 1970.

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