English standard specifications for highway and bridge construction /
Specifications Section, Office of Development Support, Iowa Department of Transportation.

APA Citation

Iowa. Department of Transportation. (1997). English standard specifications for highway and bridge construction. Ames, Iowa: The Department.

MLA Citation

Iowa. Department of Transportation. English Standard Specifications for Highway And Bridge Construction. Ames, Iowa: The Department, 1997.

Warning: These citations may not always be complete (especially for serials).