Coffey David J., Caldwell, D. K. 1., & Caldwell, M. C. 1. (1977). Dolphins, whales and porpoises: An encyclopedia of sea mammals (First American edition.). New York: Macmillan Publishing Co., INC..
Citación estilo ChicagoCoffey David J., David Keller 1928-1990 Caldwell, y Melba Carstarphen 1921-1991 Caldwell. Dolphins, Whales and Porpoises: An Encyclopedia of Sea Mammals. First American edition. New York: Macmillan Publishing Co., INC., 1977.
Cita MLACoffey David J., David Keller 1928-1990 Caldwell, y Melba Carstarphen 1921-1991 Caldwell. Dolphins, Whales and Porpoises: An Encyclopedia of Sea Mammals. First American edition. New York: Macmillan Publishing Co., INC., 1977.
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