Folz, R. (1974). The coronation of Charlemagne, 25 December 800. Routledge & K. Paul.
Lua i Stíl Chicago (17ú heag.)Folz, Robert. The Coronation of Charlemagne, 25 December 800. London: Routledge & K. Paul, 1974.
Lua MLA (9ú heag.)Folz, Robert. The Coronation of Charlemagne, 25 December 800. Routledge & K. Paul, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.