Einhard. (1960). The life of charlemagne. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Einhard. The Life of Charlemagne. Ann Arbor: University of Michigan Press, 1960.
Lua MLA (9ú heag.)Einhard. The Life of Charlemagne. University of Michigan Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.