APA (7th ed.) Zitazioa
ebrary, Inc, Thorp, J. H., & Covich, A. P. (2001). Ecology and classification of North American freshwater invertebrates (2nd ed.). Academic Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, James H. Thorp, eta Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. 2nd ed. San Diego: Academic Press, 2001.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Ecology and Classification of North American Freshwater Invertebrates. 2nd ed. Academic Press, 2001.
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