Gaya APA

Begheyn, P, &, B, K. (1991). A bibliography on St. Ignatius's 'Spiritual Exercises'. . St Louis: St Louis AAS on Jesuit Spirituality.

Gaya MLA

Begheyn, Paul, &, Bogart,, Kenneth. "A bibliography on St. Ignatius's 'Spiritual Exercises'. ". St Louis: St Louis AAS on Jesuit Spirituality, 1991. Buku.