Creighton, R. L. (1970). Urban transportation planning. University of Illinois Press.
Cita Chicago Style (17a ed.)Creighton, Roger L. Urban Transportation Planning. Urbana: University of Illinois Press, 1970.
Cita MLA (9a ed.)Creighton, Roger L. Urban Transportation Planning. University of Illinois Press, 1970.
Precaución: Estas citas no son 100% exactas.