Flower, E. M. (1977). A history of Philosophy in America. Capricorn Books.
Chicago-čujuhus (17. p.)Flower, Elizabeth; Murphey. A History of Philosophy in America. New York, Estados Unidos: Capricorn Books, 1977.
MLA-čujuhus (9. p.)Flower, Elizabeth; Murphey. A History of Philosophy in America. Capricorn Books, 1977.
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