Heptner, V. G. (Vladimir Georgievich); Nasimovich, A. A; Bannikov, Andrei Grigorevich; Hoffmann, Robert S. Mammals of the Soviet Union Volume: v. 2, pt. 1a (1988) Washington, D.C. : Smithsonian Institution Libraries and National Science Foundation
bucknell.edu
departments.bucknell.edu
(EN) D.E. Wilson e D.M. Reeder, Hydrodamalis gigas, in Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, ISBN0-8018-8221-4.
google.it
Georg Wilhelm Steller, De Bestiis Marinis, or, The Beasts of the Sea, 1751. in Alfred Edmund Brehm, La vita degli animali, Volume 2. Mammiferi, Unione Tipografico-editrice torinese, 1872, pp. 858-861.