Não informado. (2002). International Veterinary Student. International Veterinary Students Association.
Lua i Stíl Chicago (17ú heag.)Não informado. International Veterinary Student. Peterborough, Inglaterra: International Veterinary Students Association, 2002.
Lua MLA (8ú heag.)Não informado. International Veterinary Student. International Veterinary Students Association, 2002.
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