Washington (State). Department of Highways. Social and Economic Planning Section. (1975). Guidelines for conducting surveys concerning transportation. Washington State Dept. of Highways.
Chicago Style (17th ed.) CitationWashington (State). Department of Highways. Social and Economic Planning Section. Guidelines for Conducting Surveys Concerning Transportation. [Olympia]: Washington State Dept. of Highways, 1975.
MLA (9th ed.) CitationWashington (State). Department of Highways. Social and Economic Planning Section. Guidelines for Conducting Surveys Concerning Transportation. Washington State Dept. of Highways, 1975.
Warning: These citations may not always be 100% accurate.