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.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)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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