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.
Chicago Style (17th ed.) ZitazioaGeorg 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 (9th ed.) ZitazioaGeorg 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.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.