Craig, A. M. (2000). The heritage of world civilizations (5th ed.). Pearson Custom Publishing.
Lua i Stíl Chicago (17ú heag.)Craig, Albert M. The Heritage of World Civilizations. 5th ed. Upper Saddle River, New Jersey: Pearson Custom Publishing, 2000.
Lua MLA (9ú heag.)Craig, Albert M. The Heritage of World Civilizations. 5th ed. Pearson Custom Publishing, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.