Curzon, G. (1970). Hidden Barriers to International Trade. London: Trade policy research centre.
Chicago Style CitationCurzon, Gerard. Hidden Barriers to International Trade. London: Trade policy research centre, 1970.
Cita MLACurzon, Gerard. Hidden Barriers to International Trade. London: Trade policy research centre, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.