Meyer, J. R., Kain, J. F., & Wohl, M. (1974). The urban transportation problem (6th printing.). Harvard University Press.
Cita Chicago Style (17a ed.)Meyer, John Robert, John F. Kain, y Martin Wohl. The Urban Transportation Problem. 6th printing. Cambridge (Massachusetts): Harvard University Press, 1974.
Cita MLA (9a ed.)Meyer, John Robert, et al. The Urban Transportation Problem. 6th printing. Harvard University Press, 1974.
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