ebrary, Inc, & Evergates, T. (1993). Feudal society in medieval France: Documents from the County of Champagne. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Theodore Evergates. Feudal Society in Medieval France: Documents from the County of Champagne. Philadelphia: University of Pennsylvania Press, 1993.
Lua MLA (9ú heag.)ebrary, Inc, agus Theodore Evergates. Feudal Society in Medieval France: Documents from the County of Champagne. University of Pennsylvania Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.