Dyfyniad APA
Ignacio de Loyola, S. (1964). The spiritual exercises of St. Ignatius (1 ed.). Image Books.
Dyfyniad Arddull Chicago
Ignacio de Loyola, S.I. The Spiritual Exercises of St. Ignatius. 1 ed. New York: Image Books, 1964.
Dyfyniad MLA
Ignacio de Loyola, S.I. The Spiritual Exercises of St. Ignatius. 1 ed. Image Books, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.