Lua APA (7ú heag.)
Easton, S. C., & Wieruszowski, H. (1961). The era of Charlemagne: Frankish state and society. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)
Easton, Stewart Copinger, agus Helene Wieruszowski. The Era of Charlemagne: Frankish State and Society. Princeton, N. J.: Van Nostrand, 1961.
Lua MLA (9ú heag.)
Easton, Stewart Copinger, agus Helene Wieruszowski. The Era of Charlemagne: Frankish State and Society. Van Nostrand, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.