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.
Dyfyniad Arddull ChicagoBentley, Jerry H., and Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. Boston: McGraw-Hill, 2009.
Dyfyniad MLABentley, Jerry H., and Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. McGraw-Hill, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.