Georg Klos, H. (1976). Hand book of Zoo Medicine: Diseases and Treatment of Wild Animals in Zoos, Game Parks, Circuses and Private Collections (!st ed.). Van Nostrand Renihold Company.
Čikaški stil citiranja (17. izdanje)Georg Klos, Heinz. Hand Book of Zoo Medicine: Diseases and Treatment of Wild Animals in Zoos, Game Parks, Circuses and Private Collections. !st ed. New York: Van Nostrand Renihold Company, 1976.
MLA način citiranja (9. izdanje)Georg Klos, Heinz. Hand Book of Zoo Medicine: Diseases and Treatment of Wild Animals in Zoos, Game Parks, Circuses and Private Collections. !st ed. Van Nostrand Renihold Company, 1976.
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