Gaya APA

Cowan, M, &, J, C, F. (1982). The Spiritual Exercises of St.Ignatius of Loyola, a handbook for directors. . [New York]: Jacq Publishing.

Gaya MLA

Cowan, Marian, &, John, Caroll, Futrell. "The Spiritual Exercises of St.Ignatius of Loyola, a handbook for directors. ". [New York]: Jacq Publishing, 1982. Buku.