Blackstone, W. T. (1972). Introductory readings in philosophy. Holt, Rinehart.
Chicago-čujuhus (17. p.)Blackstone, William T. Introductory Readings in Philosophy. New York: Holt, Rinehart, 1972.
MLA-čujuhus (9. p.)Blackstone, William T. Introductory Readings in Philosophy. Holt, Rinehart, 1972.
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