Perrin, W. F. (1975). Variation of spotted and spinner porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. University of California Press.
Chicago-Zitierstil (17. Ausg.)Perrin, William F. Variation of Spotted and Spinner Porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. Berkeley, California: University of California Press, 1975.
MLA-Zitierstil (9. Ausg.)Perrin, William F. Variation of Spotted and Spinner Porpoise (Genus Stenella) in the Eastern Tropical Pacific and Hawaii. University of California Press, 1975.
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