Simons, E. L. (1997). Preliminary description of the cranium of Proteopithecus sylviae, an Egyptian late Eocene anthropoidean primate. The National Academy of Sciences of the USA.
Chicago Stili AlıntıSimons, Elwyn L. Preliminary Description of the Cranium of Proteopithecus Sylviae, an Egyptian Late Eocene Anthropoidean primate. The National Academy of Sciences of the USA, 1997.
MLA AlıntıSimons, Elwyn L. Preliminary Description of the Cranium of Proteopithecus Sylviae, an Egyptian Late Eocene Anthropoidean primate. The National Academy of Sciences of the USA, 1997.
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