Mertins, H. (1972). National transportation policy in transition. Lexington Books.
Cita Chicago (17th ed.)Mertins, Herman. National Transportation Policy in Transition. Lexington, Mass.: Lexington Books, 1972.
Cita MLA (8th ed.)Mertins, Herman. National Transportation Policy in Transition. Lexington Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.