Preliminary report of AASHO on federal-aid highway needs after 1972 :
hearing before the Committee on Public Works, House of Representatives, Ninetieth Congress, first session. June 7, 1967.

APA Citation

United States. Congress. House. Committee on Public Works. (1967). Preliminary report of AASHO on federal-aid highway needs after 1972: hearing before the Committee on Public Works, House of Representatives, Ninetieth Congress, first session. June 7, 1967. Washington, D.C.: U.S. Government Printing Office.

MLA Citation

United States. Congress. House. Committee on Public Works. Preliminary Report of AASHO On Federal-aid Highway Needs After 1972: Hearing Before the Committee On Public Works, House of Representatives, Ninetieth Congress, First Session. June 7, 1967. Washington, D.C.: U.S. Government Printing Office, 1967.