APA citiranje

Perry, W. J. (1987). Technologies to maintain biological diversity. Washington: Congress of the United States.

Trích dẫn kiểu Chicago

Perry, William J. Technologies to Maintain Biological Diversity. Washington: Congress of the United States, 1987.

MLA citiranje

Perry, William J. Technologies to Maintain Biological Diversity. Washington: Congress of the United States, 1987.

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