Webster, H. (1924). Early European history (Rev. ed.). D.C. Heath and Co.
Lua i Stíl Chicago (17ú heag.)Webster, Hutton. Early European History. Rev. ed. Boston ; New York [etc.]: D.C. Heath and Co, 1924.
Lua MLA (8ú heag.)Webster, Hutton. Early European History. Rev. ed. D.C. Heath and Co, 1924.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.