APA-referens (7:e uppl.)

Casaday, L. W. (1953). Yuma's economy, city and county. Bureau of Busiess Research, University of Arizona.

Chicago-referens (17:e uppl.)

Casaday, L. W. Yuma's Economy, City and County. Tucson: Bureau of Busiess Research, University of Arizona, 1953.

MLA-referens (8:e uppl.)

Casaday, L. W. Yuma's Economy, City and County. Bureau of Busiess Research, University of Arizona, 1953.