Durant, W. (1961). The age of reason begins Vol VII. Simon & Schuster.
Chicago-čujuhus (17. p.)Durant, Will. The Age of Reason Begins Vol VII. New York: Simon & Schuster, 1961.
MLA-čujuhus (9. p.)Durant, Will. The Age of Reason Begins Vol VII. Simon & Schuster, 1961.
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