Lua APA (7ú heag.)
ebrary, Inc, Hartmann, W., & Pennington, K. (2008). The history of medieval canon law in the classical period, 1140-1234: From Gratian to the decretals of Pope Gregory IX. Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Wilfried Hartmann, agus Kenneth Pennington. The History of Medieval Canon Law in the Classical Period, 1140-1234: From Gratian to the Decretals of Pope Gregory IX. Washington, D.C.: Catholic University of America Press, 2008.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The History of Medieval Canon Law in the Classical Period, 1140-1234: From Gratian to the Decretals of Pope Gregory IX. Catholic University of America Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.