Gaya APA

Wetzel, R, G., Likens, G, E. (1995). Limnological Analyses (Ed. 2.). New York: Springer-Verlag.

Gaya MLA

Wetzel, Robert, G.., Likens, Gene, E.. "Limnological Analyses". Ed. 2. New York: Springer-Verlag, 1995. Text.