French, W. H., & Logan, R. A. (1968). Survey study, graphic presentation, the First Presbyterian Church, Upland, California. United Presbyterian Church.
Chicago-viite (17. p.)French, William H., ja Richard A. Logan. Survey Study, Graphic Presentation, the First Presbyterian Church, Upland, California. Los Angeles: United Presbyterian Church, 1968.
MLA-viite (8. p.)French, William H., ja Richard A. Logan. Survey Study, Graphic Presentation, the First Presbyterian Church, Upland, California. United Presbyterian Church, 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.