Ash, R. J. (1952). Calumet Park and adjacent area: A reconnaissance study. Church Federation of Greater Chicago.
Chicago-referens (17:e uppl.)Ash, Robert J. Calumet Park and Adjacent Area: A Reconnaissance Study. Chicago: Church Federation of Greater Chicago, 1952.
MLA-referens (8:e uppl.)Ash, Robert J. Calumet Park and Adjacent Area: A Reconnaissance Study. Church Federation of Greater Chicago, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.