Studer, R. G., & Murray, J. M. (1973). Urban and regional ground transportation: Surveys and readings. Durham, NC: Planning-Transport Associates.
Παραπομπή Chicago StyleStuder, Raymond G., and James M. Murray. Urban and Regional Ground Transportation: Surveys and Readings. Durham, NC: Planning-Transport Associates, 1973.
Παραπομπή MLAStuder, Raymond G., and James M. Murray. Urban and Regional Ground Transportation: Surveys and Readings. Durham, NC: Planning-Transport Associates, 1973.
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