APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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