ebrary, Inc, Thorp, J. H., & Covich, A. P. (2001). Ecology and classification of North American freshwater invertebrates (2nd ed.). Academic Press.
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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.
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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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Kontuz: berrikusi erreferentzia hauek erabili aurretik.