Nagle, D. B. (1999). The ancient world: A social and cultural history (4th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Nagle, D. Brendan. The Ancient World: A Social and Cultural History. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1999.
Lua MLA (9ú heag.)Nagle, D. Brendan. The Ancient World: A Social and Cultural History. 4th ed. Prentice Hall, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.