Não informado. (1983). Animal Genetic Resources Information. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Animal Genetic Resources Information. Roma: Food and Agriculture Organization of the United Nations, 1983.
Lua MLA (8ú heag.)Não informado. Animal Genetic Resources Information. Food and Agriculture Organization of the United Nations, 1983.
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