Lua APA (7ú heag.)

Clark, S. R. L. (1997). Animals and their moral standing. Routlege.

Lua i Stíl Chicago (17ú heag.)

Clark, Stephen R. L. Animals and Their Moral Standing. London: Routlege, 1997.

Lua MLA (9ú heag.)

Clark, Stephen R. L. Animals and Their Moral Standing. Routlege, 1997.

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