World Road Congress (15th : 1975 : Mexico) & Permanent International Association of Road Congresses. (1976). Report of the proceedings of the congress: XVth World Road Congress, Mexico 1975. [s.n.].
Chicago Style (17th ed.) CitationWorld Road Congress (15th : 1975 : Mexico) and Permanent International Association of Road Congresses. Report of the Proceedings of the Congress: XVth World Road Congress, Mexico 1975. London: [s.n.], 1976.
MLA (9th ed.) CitationWorld Road Congress (15th : 1975 : Mexico) and Permanent International Association of Road Congresses. Report of the Proceedings of the Congress: XVth World Road Congress, Mexico 1975. [s.n.], 1976.
Warning: These citations may not always be 100% accurate.