Colbert, E. H. (1955). Evolution of the vertebrates: A history of the backboned animals through time. Wiley.
Citace podle Chicago (17th ed.)Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. New York: Wiley, 1955.
Citace podle MLA (9th ed.)Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. Wiley, 1955.
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