Pechenik, J. A. (1996). Biology of the invertebrates. Dubuque, IA: Wm. C. Brown Publishers.
Trích dẫn kiểu ChicagoPechenik, Jan A. Biology of the Invertebrates. Dubuque, IA: Wm. C. Brown Publishers, 1996.
Deismireacht MLAPechenik, Jan A. Biology of the Invertebrates. Dubuque, IA: Wm. C. Brown Publishers, 1996.
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