APA aipamena

Pechenik, J. A. (2000). Biology of the invertebrates. New York: McGraw-Hill.

Chicago Style aipamena

Pechenik, Jan A. Biology of the Invertebrates. New York: McGraw-Hill, 2000.

MLA aipamena

Pechenik, Jan A. Biology of the Invertebrates. New York: McGraw-Hill, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.