Greene, G. W. (1880). History of the middle ages: For colleges and schools. (Chiefly from the French.). D. Appleton & company.
Lua i Stíl Chicago (17ú heag.)Greene, George Washington. History of the Middle Ages: For Colleges and Schools. (Chiefly from the French.). New York: D. Appleton & company, 1880.
Lua MLA (8ú heag.)Greene, George Washington. History of the Middle Ages: For Colleges and Schools. (Chiefly from the French.). D. Appleton & company, 1880.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.