Williams, D. H. (1998). The Cistercians in the early Middle Ages: Written to commemorate the Nine Hundredth Anniversary of Foundation of the Order at Cîteaux in 1098 (1. publ.). Gracewing.
Chicago-Zitierstil (17. Ausg.)Williams, David H. The Cistercians in the Early Middle Ages: Written to Commemorate the Nine Hundredth Anniversary of Foundation of the Order at Cîteaux in 1098. 1. publ. Leominster: Gracewing, 1998.
MLA-Zitierstil (9. Ausg.)Williams, David H. The Cistercians in the Early Middle Ages: Written to Commemorate the Nine Hundredth Anniversary of Foundation of the Order at Cîteaux in 1098. 1. publ. Gracewing, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.