Não informado. (1943). Contributions from the Laboratory of Vertebrate Biology of the University of Michigan. University of Michigan, Laboratory of Vertebrate Biology.
Chicago-referens (17:e uppl.)Não informado. Contributions from the Laboratory of Vertebrate Biology of the University of Michigan. Ann Arbor, Mich: University of Michigan, Laboratory of Vertebrate Biology, 1943.
MLA-referens (8:e uppl.)Não informado. Contributions from the Laboratory of Vertebrate Biology of the University of Michigan. University of Michigan, Laboratory of Vertebrate Biology, 1943.
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