Graham, J. L., & Migletz, J. (1994). Development and implementation of traffic control plans for highway work zones. National Academy Press.
Cita Chicago (17th ed.)Graham, Jerry L., i James Migletz. Development and Implementation of Traffic Control Plans for Highway Work Zones. Washington, D.C: National Academy Press, 1994.
Cita MLA (9th ed.)Graham, Jerry L., i James Migletz. Development and Implementation of Traffic Control Plans for Highway Work Zones. National Academy Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.