Schoberg, F. (1955). Will you save souls?: The apostleship of prayer offers you a way. Queen's Work.
Chicago-referens (17:e uppl.)Schoberg, Ferdinand. Will You Save Souls?: The Apostleship of Prayer Offers You a Way. St. Louis, Mo.: Queen's Work, 1955.
MLA-referens (8:e uppl.)Schoberg, Ferdinand. Will You Save Souls?: The Apostleship of Prayer Offers You a Way. Queen's Work, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.