Sylvia S Mader. (1989). Biology. Dubuque, Iowa: WCB.
Trích dẫn kiểu ChicagoSylvia S Mader. Biology. Dubuque, Iowa: WCB, 1989.
MLA citiranjeSylvia S Mader. Biology. Dubuque, Iowa: WCB, 1989.
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Sylvia S Mader. (1989). Biology. Dubuque, Iowa: WCB.
Trích dẫn kiểu ChicagoSylvia S Mader. Biology. Dubuque, Iowa: WCB, 1989.
MLA citiranjeSylvia S Mader. Biology. Dubuque, Iowa: WCB, 1989.