APA-referens (7:e uppl.)

Ambruzzi, A. (1948). A companion to the Spiritual exercises of Saint Ignatius (3rd ed.). Newman Press.

Chicago-referens (17:e uppl.)

Ambruzzi, Aloysius. A Companion to the Spiritual Exercises of Saint Ignatius. 3rd ed. Westminster, Md.: Newman Press, 1948.

MLA-referens (8:e uppl.)

Ambruzzi, Aloysius. A Companion to the Spiritual Exercises of Saint Ignatius. 3rd ed. Newman Press, 1948.