Não informado. (2004). Animal and public health reports. Swiss Federal Veterinary Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Animal and Public Health Reports. Bern: Swiss Federal Veterinary Office, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Animal and Public Health Reports. Swiss Federal Veterinary Office, 2004.
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