Campbell, N. A. (1996). Biology. California: The Benjamin/Cummings Publishing Company,Inc.
Trích dẫn kiểu ChicagoCampbell, Neil A. Biology. California: The Benjamin/Cummings Publishing Company,Inc, 1996.
Deismireacht MLACampbell, Neil A. Biology. California: The Benjamin/Cummings Publishing Company,Inc, 1996.
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