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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)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 -ийн эшлэл (9 дэх хэвлэлт)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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