Ryder, J. (1994). American philosophic naturalism in the twentieth century. Prometheus Books.
Chicago Style (17. basım) AtıfRyder, John. American Philosophic Naturalism in the Twentieth Century. Amherst, N.Y: Prometheus Books, 1994.
MLA (9th ed.) AtıfRyder, John. American Philosophic Naturalism in the Twentieth Century. Prometheus Books, 1994.
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