Não informado. (2004). Animal and public health reports. Swiss Federal Veterinary Office.
Chicago-Zitierstil (17. Ausg.)Não informado. Animal and Public Health Reports. Bern: Swiss Federal Veterinary Office, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Animal and Public Health Reports. Swiss Federal Veterinary Office, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.