Pechenik, J. A. (2010). Biology of the invertebrates (Sixth edition.). Karim International (021177).
Chicago-čujuhus (17. p.)Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Boston: Karim International (021177), 2010.
MLA-čujuhus (9. p.)Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Karim International (021177), 2010.
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