Pechenik, J. A. (2002). BIOLOGY OF THE Invertebrates (4th ed.). Tata McGraw-Hill Publishing Company Limited.
Cita Chicago (17th ed.)Pechenik, Jan A. BIOLOGY OF THE Invertebrates. 4th ed. New Delhi: Tata McGraw-Hill Publishing Company Limited, 2002.
Cita MLA (9th ed.)Pechenik, Jan A. BIOLOGY OF THE Invertebrates. 4th ed. Tata McGraw-Hill Publishing Company Limited, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.