Langdon, M. G., & Mitchell, C. (1978). Personal travel in towns: The development of models that reflect the real world. Crowthorne Berkshire: Assessment División Access and Mobility, División Transport Systems, Departamento.
Citación estilo ChicagoLangdon, M. G., y C.G.B Mitchell. Personal Travel in Towns: The Development of Models That Reflect the Real World. Crowthorne Berkshire: Assessment División Access and Mobility, División Transport Systems, Departamento, 1978.
Cita MLALangdon, M. G., y C.G.B Mitchell. Personal Travel in Towns: The Development of Models That Reflect the Real World. Crowthorne Berkshire: Assessment División Access and Mobility, División Transport Systems, Departamento, 1978.
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