International Symposium on Theory and Practice in Transport Economics. (1976). Transport and the economic situation: Introductory reports and summary of the discussion : sixth International Symposium on Theory and Practice in Transport Economics, Madrid, 22nd-25th September 1975. Paris: CEMT.
Παραπομπή Chicago StyleInternational Symposium on Theory and Practice in Transport Economics. Transport and the Economic Situation: Introductory Reports and Summary of the Discussion : Sixth International Symposium On Theory and Practice in Transport Economics, Madrid, 22nd-25th September 1975. Paris: CEMT, 1976.
Παραπομπή MLAInternational Symposium on Theory and Practice in Transport Economics. Transport and the Economic Situation: Introductory Reports and Summary of the Discussion : Sixth International Symposium On Theory and Practice in Transport Economics, Madrid, 22nd-25th September 1975. Paris: CEMT, 1976.