APA aipamena

KUMAR, A. (2012). Aquatic ecosystem. Discovery Publishers.

Chicago Style aipamena

KUMAR, Ashok. Aquatic Ecosystem. Discovery Publishers, 2012.

MLA aipamena

KUMAR, Ashok. Aquatic Ecosystem. Discovery Publishers, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.