Schoberg, F. (1955). Will you save souls?: The apostleship of prayer offers you a way. Queen's Work.
Chicago-viite (17. p.)Schoberg, Ferdinand. Will You Save Souls?: The Apostleship of Prayer Offers You a Way. St. Louis, Mo.: Queen's Work, 1955.
MLA-viite (8. p.)Schoberg, Ferdinand. Will You Save Souls?: The Apostleship of Prayer Offers You a Way. Queen's Work, 1955.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.