McGuire, B. P. (1991). The difficult saint: Bernard of Clairvaux and his tradition. Cistercian.
Lua i Stíl Chicago (17ú heag.)McGuire, Brian Patrick. The Difficult Saint: Bernard of Clairvaux and His Tradition. Kalamazoo, Mich.: Cistercian, 1991.
Lua MLA (8ú heag.)McGuire, Brian Patrick. The Difficult Saint: Bernard of Clairvaux and His Tradition. Cistercian, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.