Betten, F. S. (1924). Historical terms and facts: A reference book for students of history. Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBetten, Francis S. Historical Terms and Facts: A Reference Book for Students of History. Boston ; New York [etc.]: Allyn and Bacon, 1924.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBetten, Francis S. Historical Terms and Facts: A Reference Book for Students of History. Allyn and Bacon, 1924.
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