(1973). Freeway operational improvements: 6 reports, prepared for the 52nd annual meeting.
Chicago-Zitierstil (17. Ausg.)Freeway Operational Improvements: 6 Reports, Prepared for the 52nd Annual Meeting. Washington, D.C, 1973.
MLA-Zitierstil (9. Ausg.)Freeway Operational Improvements: 6 Reports, Prepared for the 52nd Annual Meeting. 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.