Esler, A. (1996). The human venture: A world history from prehistory to the present (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Esler, Anthony. The Human Venture: A World History from Prehistory to the Present. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 1996.
Lua MLA (9ú heag.)Esler, Anthony. The Human Venture: A World History from Prehistory to the Present. 3rd ed. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.