Rothfels, N. How the caged bird sings: Animals and entertainment / Nigel Rothfels. A cultural history of animals in the age of empire.(2007).
Chicagoスタイル(17版)引用形式Rothfels, Nigel. "How the Caged Bird Sings: Animals and Entertainment / Nigel Rothfels." A Cultural History of Animals in the Age of Empire.(2007) .
MLA(8版)引用形式Rothfels, Nigel. "How the Caged Bird Sings: Animals and Entertainment / Nigel Rothfels." A Cultural History of Animals in the Age of Empire.(2007), .
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