Hancocks, D. Zoo animals as entertainment exhibitions: David Hancocks. A cultural history of animals in the modern age.(2007).
Chicagoスタイル(17版)引用形式Hancocks, David. "Zoo Animals as Entertainment Exhibitions: David Hancocks." A Cultural History of Animals in the Modern Age.(2007) .
MLA(8版)引用形式Hancocks, David. "Zoo Animals as Entertainment Exhibitions: David Hancocks." A Cultural History of Animals in the Modern Age.(2007), .
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