Mullin, R. P. (2007). The soul of classical American philosophy: The ethical and spiritual insights of William James, Josiah Royce, and Charles Sanders Peirce. State University of New York Press.
Chicago Style (17. basım) AtıfMullin, Richard P. The Soul of Classical American Philosophy: The Ethical and Spiritual Insights of William James, Josiah Royce, and Charles Sanders Peirce. Albany: State University of New York Press, 2007.
MLA (9th ed.) AtıfMullin, Richard P. The Soul of Classical American Philosophy: The Ethical and Spiritual Insights of William James, Josiah Royce, and Charles Sanders Peirce. State University of New York Press, 2007.
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