Begheyn, P. (1981). A bibliography on St. Ignatius' Spiritual exercises: A working-tool for American students. American Assistancy Seminar.
Lua i Stíl Chicago (17ú heag.)Begheyn, Paul. A Bibliography on St. Ignatius' Spiritual Exercises: A Working-tool for American Students. St. Louis: American Assistancy Seminar, 1981.
Lua MLA (8ú heag.)Begheyn, Paul. A Bibliography on St. Ignatius' Spiritual Exercises: A Working-tool for American Students. American Assistancy Seminar, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.