Ames, P. L. The morphology of the syrinx in passerine birds. Yale University. Peabody Museum of Natural History.
Citace podle Chicago (17th ed.)Ames, Peter L. The Morphology of the Syrinx in Passerine Birds. New Haven: Yale University. Peabody Museum of Natural History.
Citace podle MLA (9th ed.)Ames, Peter L. The Morphology of the Syrinx in Passerine Birds. Yale University. Peabody Museum of Natural History.
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