Não informado. (2000). Index Catalogue of Medical and Veterinary Zoology. U.S. Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Index Catalogue of Medical and Veterinary Zoology. Washington: U.S. Department of Agriculture, 2000.
Lua MLA (8ú heag.)Não informado. Index Catalogue of Medical and Veterinary Zoology. U.S. Department of Agriculture, 2000.
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