Fifth international symposium on theory and practice in transport economics. (1974). Transport in the 1980-1990 decade. Paris: CEMT.
استشهاد بنمط شيكاغوFifth international symposium on theory and practice in transport economics. Transport in the 1980-1990 Decade. Paris: CEMT, 1974.
MLA استشهادFifth international symposium on theory and practice in transport economics. Transport in the 1980-1990 Decade. Paris: CEMT, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.