Bragdon, H. W., & McCutchen, S. P. (1964). Workbook to accompany History of a free people, 5th revision. The Macmillan Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBragdon, Henry W., और Samuel Proctor McCutchen. Workbook to Accompany History of a Free People, 5th Revision. New York: The Macmillan Co., 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBragdon, Henry W., और Samuel Proctor McCutchen. Workbook to Accompany History of a Free People, 5th Revision. The Macmillan Co., 1964.
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