Anselm, S., & Fröhlich, W. (1990). The letters of Saint Anselm of Canterbury. Cistercian Publications.
Lua i Stíl Chicago (17ú heag.)Anselm, Saint, agus Walter Fröhlich. The Letters of Saint Anselm of Canterbury. Kalamazoo, Michigan: Cistercian Publications, 1990.
Lua MLA (8ú heag.)Anselm, Saint, agus Walter Fröhlich. The Letters of Saint Anselm of Canterbury. Cistercian Publications, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.