Não informado. (2012). Rabies. Zoonosis Surveillance. U.S. Department of Health, Education, and Welfare, Public Health Service.
Citação do estilo Chicago (17ª ed.)Não informado. Rabies. Zoonosis Surveillance. Atlanta, Ga: U.S. Department of Health, Education, and Welfare, Public Health Service, 2012.
Citação MLA (8ª ed.)Não informado. Rabies. Zoonosis Surveillance. U.S. Department of Health, Education, and Welfare, Public Health Service, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.