APA-referens (7:e uppl.)
ebrary, Inc, Thorp, J. H., & Covich, A. P. (2001). Ecology and classification of North American freshwater invertebrates (2nd ed.). Academic Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, James H. Thorp, och Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. 2nd ed. San Diego: Academic Press, 2001.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Ecology and Classification of North American Freshwater Invertebrates. 2nd ed. Academic Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.