Ambruzzi, A. (1937). A companion to the Spiritual exercises of Saint Ignatius. Coldwell.
Lua i Stíl Chicago (17ú heag.)Ambruzzi, Aloysius. A Companion to the Spiritual Exercises of Saint Ignatius. London: Coldwell, 1937.
Lua MLA (8ú heag.)Ambruzzi, Aloysius. A Companion to the Spiritual Exercises of Saint Ignatius. Coldwell, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.