Meyer, J. R., Kain, J. F., & Wohl, M. (1965). The urban transportation problem. Harvard University Press.
Cita Chicago (17th ed.)Meyer, John Robert, John F. Kain, i Martin Wohl. The Urban Transportation Problem. Cambridge: Harvard University Press, 1965.
Cita MLA (8th ed.)Meyer, John Robert, et al. The Urban Transportation Problem. Harvard University Press, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.