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A kelet-nyugati kereskedelem vám - és adminisztratív akadályai
Nyerges, János, (1986)
Tariff procedures and trade barriers : a study of indirect protection in Canada and the United States
Elliott, G. A., (1955)
Tariff Procedures and Trade Barriers : A Study of Indirect Protection in Canada and the United States
Elliott, George, (1955)
Barriers to trade between Canada and the United States
Masson, Francis, (1960)
Harnessing science and technology: Key ingredient of Brazilian development
Masson, Francis, (1976)
Invisible trade barriers between Canada and the United States
Masson, Francis, (1963)