Colbert, E. H. (1980). Evolution of the vertebrates: A history of the backboned animals through time (3d ed.). J. Wiley.
Citace podle Chicago (17th ed.)Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. 3d ed. New York: J. Wiley, 1980.
Citace podle MLA (9th ed.)Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. 3d ed. J. Wiley, 1980.
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