Harder, W. (1975). Anatomy of fishes (2d.ed.). Schweizerbart.
Chicago Style aipamenaHarder, Wilhelm. Anatomy of Fishes. 2d.ed. Stuttgart: Schweizerbart, 1975.
MLA aipamenaHarder, Wilhelm. Anatomy of Fishes. 2d.ed. Schweizerbart, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.