Perry, E. L. (1950). The Presbyterian Church in metropolitan Rock Island, Ill. Board of National Missions, Presbyterian Church.
Chicago-viite (17. p.)Perry, Everett L. The Presbyterian Church in Metropolitan Rock Island, Ill. New York: Board of National Missions, Presbyterian Church, 1950.
MLA-viite (8. p.)Perry, Everett L. The Presbyterian Church in Metropolitan Rock Island, Ill. Board of National Missions, Presbyterian Church, 1950.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.