Campbell, N. A. (1996). Biology (4th ed.). Menlo Park, Calif.: Benjamin/Cummings Pub. Co..
Trích dẫn kiểu ChicagoCampbell, Neil A. Biology. 4th ed. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1996.
MLA citiranjeCampbell, Neil A. Biology. 4th ed. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1996.
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