Williamson, R. L. (1955). Church and population trends in the Rosebud area of South Dakota: Survey and research report no. 4. Dakota Wesleyan University.
Chicago-referens (17:e uppl.)Williamson, Ralph L. Church and Population Trends in the Rosebud Area of South Dakota: Survey and Research Report No. 4. Mitchell, S.D.: Dakota Wesleyan University, 1955.
MLA-referens (8:e uppl.)Williamson, Ralph L. Church and Population Trends in the Rosebud Area of South Dakota: Survey and Research Report No. 4. Dakota Wesleyan University, 1955.
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