Bentley, J. H., & Ziegler, H. F. (2009). Traditions and encounters: A global perspective on the past ; vol. I from the beginning to1500 (4th ed.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBentley, Jerry H., और Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. Boston: McGraw-Hill, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBentley, Jerry H., और Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. McGraw-Hill, 2009.
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