Wheeler, W. B., & Becker, S. D. (1994). Discovering the American past: A look at the evidence (3rd ed.). Houghton Mifflin Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWheeler, William Bruce, और Susan D. Becker. Discovering the American Past: A Look at the Evidence. 3rd ed. Boston: Houghton Mifflin Co., 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWheeler, William Bruce, और Susan D. Becker. Discovering the American Past: A Look at the Evidence. 3rd ed. Houghton Mifflin Co., 1994.
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