Langhammer, R. J., & Sapir, A. (1987). Economic impact of generalized tariff preferences / by Rolf J. Langhammer and André Sapir. Gower for the Trade Policy Research Centre.
Chicago Edition CitationLanghammer, Rolf J., and André Sapir. Economic Impact of Generalized Tariff Preferences / by Rolf J. Langhammer and André Sapir. Aldershot: Gower for the Trade Policy Research Centre, 1987.
MLA Edition CitationLanghammer, Rolf J., and André Sapir. Economic Impact of Generalized Tariff Preferences / by Rolf J. Langhammer and André Sapir. Gower for the Trade Policy Research Centre, 1987.
Warning: These citations may not always be 100% accurate.