Massel, M. S. (1965). Non-tariff barriers as an obstacle to world trade. Brookings Institution.
Chicago Style (17th ed.) CitationMassel, Mark S. Non-tariff Barriers as an Obstacle to World Trade. Washington: Brookings Institution, 1965.
MLA (8th ed.) CitationMassel, Mark S. Non-tariff Barriers as an Obstacle to World Trade. Brookings Institution, 1965.
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