Roadside advertising and motorist information signage in Iowa.
APA Citation
Iowa. Department of Transportation. (1998). Roadside advertising and motorist information signage in Iowa. [Ames, Iowa: Iowa Department of Transportation.
MLA Citation
Iowa. Department of Transportation. Roadside Advertising And Motorist Information Signage In Iowa. [Ames, Iowa: Iowa Department of Transportation, 1998.
Warning: These citations may not always be complete (especially for serials).