Brandon, S. G. F. (1973). Ancient empires (Second edition.). Newsweek Books.
Lua i Stíl Chicago (17ú heag.)Brandon, S. G. F. Ancient Empires. Second edition. New York: Newsweek Books, 1973.
Lua MLA (9ú heag.)Brandon, S. G. F. Ancient Empires. Second edition. Newsweek Books, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.