APA aipamena

Andrews,William A, & McEwan,Sandra J. (1987). Investigating Aquatic Ecosystems. Prentice-Hall.

Chicago Style aipamena

Andrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Ontario: Prentice-Hall, 1987.

MLA aipamena

Andrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Prentice-Hall, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.