(1972). Freeway operations and control: 8 reports prepared for the 51st Annual Meeting.
Chicago Style (17th ed.) ZitazioaFreeway Operations and Control: 8 Reports Prepared for the 51st Annual Meeting. 1972.
MLA (9th ed.) ZitazioaFreeway Operations and Control: 8 Reports Prepared for the 51st Annual Meeting. 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.