Quennell, P. (1971). The colosseum. Newsweek.
Lua i Stíl Chicago (17ú heag.)Quennell, Peter. The Colosseum. New York: Newsweek, 1971.
Lua MLA (9ú heag.)Quennell, Peter. The Colosseum. Newsweek, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.