Pechenik, J. A. (2010). Biology of the Invertebrates (sixth edition). Mc GrawHill.
Lua i Stíl Chicago (17ú heag.)Pechenik, Jan A. Biology of the Invertebrates (sixth Edition). Mc GrawHill, 2010.
Lua MLA (8ú heag.)Pechenik, Jan A. Biology of the Invertebrates (sixth Edition). Mc GrawHill, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.