Butler, J. D. (1951). Four philosophies and their practice in education and religion. Harper.
Chicagoスタイル(17版)引用形式Butler, James Donald. Four Philosophies and Their Practice in Education and Religion. New York: Harper, 1951.
MLA(9版)引用形式Butler, James Donald. Four Philosophies and Their Practice in Education and Religion. Harper, 1951.
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