Não informado. (2001). Service and regulatory announcements. U.S. Department of Agriculture, Bureau of Animal Industry.
Čikaški stil citiranja (17. izdanje)Não informado. Service and Regulatory Announcements. Washington: U.S. Department of Agriculture, Bureau of Animal Industry, 2001.
MLA način citiranja (8. izdanje)Não informado. Service and Regulatory Announcements. U.S. Department of Agriculture, Bureau of Animal Industry, 2001.
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