APA-referens (7:e uppl.)

Crawford, R. J. (1967). Utility of an automated geocoding system for urban land use analysis. Urbana Data Center, University of Washington.

Chicago-referens (17:e uppl.)

Crawford, Roger James. Utility of an Automated Geocoding System for Urban Land Use Analysis. Seattle: Urbana Data Center, University of Washington, 1967.

MLA-referens (9:e uppl.)

Crawford, Roger James. Utility of an Automated Geocoding System for Urban Land Use Analysis. Urbana Data Center, University of Washington, 1967.

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