APA aipamena

Sumich, J. L. (1980). An introduction to the Biology of Marine Life. Dubuque, Iowa: Wm. C. Brown.

Chicago Style aipamena

Sumich, James L. An Introduction to the Biology of Marine Life. Dubuque, Iowa: Wm. C. Brown, 1980.

MLA aipamena

Sumich, James L. An Introduction to the Biology of Marine Life. Dubuque, Iowa: Wm. C. Brown, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.