Andrews,William A, & McEwan,Sandra J. (1987). Investigating Aquatic Ecosystems. Prentice-Hall.
Chicago Edition CitationAndrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Ontario: Prentice-Hall, 1987.
MLA引文Andrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Prentice-Hall, 1987.
警告：這些引文格式不一定是100％准確.