Lua APA (7ú heag.)

Blackstone, W. T. (1972). Introductory readings in philosophy. Holt, Rinehart.

Lua i Stíl Chicago (17ú heag.)

Blackstone, William T. Introductory Readings in Philosophy. New York: Holt, Rinehart, 1972.

Lua MLA (9ú heag.)

Blackstone, William T. Introductory Readings in Philosophy. Holt, Rinehart, 1972.

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