Winks, R. W. (1988). A history of civilization (7th.ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Winks, Robin W. A History of Civilization. 7th.ed. Englewood Cliffs: Prentice Hall, 1988.
Lua MLA (9ú heag.)Winks, Robin W. A History of Civilization. 7th.ed. Prentice Hall, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.