Lua APA (7ú heag.)

Russell, B. R. 3. e. (1997). The problems of philosophy. Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Russell, Bertrand Russell 3rd earl. The Problems of Philosophy. New York: Oxford University Press, 1997.

Lua MLA (9ú heag.)

Russell, Bertrand Russell 3rd earl. The Problems of Philosophy. Oxford University Press, 1997.

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