Não informado. (2012). Rabies. Zoonosis Surveillance. U.S. Department of Health, Education, and Welfare, Public Health Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Rabies. Zoonosis Surveillance. Atlanta, Ga: U.S. Department of Health, Education, and Welfare, Public Health Service, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Rabies. Zoonosis Surveillance. U.S. Department of Health, Education, and Welfare, Public Health Service, 2012.
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