Dyfyniad APA

Pechenik, J. A. (2010). Biology of the invertebrates (Sixth edition.). Karim International (021177).

Dyfyniad Arddull Chicago

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Boston: Karim International (021177), 2010.

Dyfyniad MLA

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Karim International (021177), 2010.

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