Craig, A. M., Graham, W. A., Kagan, D., Ozment, S., & Turner, F. M. (2005). The heritage of world civilizations (Seventh edition.). Pearson Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCraig, Albert M., William A. Graham, Donald Kagan, Steven Ozment, और Frank M. Turner. The Heritage of World Civilizations. Seventh edition. Upper Saddle River, New Jersey: Pearson Prentice Hall, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCraig, Albert M., et al. The Heritage of World Civilizations. Seventh edition. Pearson Prentice Hall, 2005.
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