APA
General Agreement on Traiffs and Trade, . (1957). The possible impact of the European Economic Community, in particula r the common market upon world trade. Geneva: s.l.
Chicago
General Agreement on Traiffs and Trade, . 1957. The possible impact of the European Economic Community, in particula r the common market upon world trade. Geneva: s.l.
Harvard
General Agreement on Traiffs and Trade, . (1957). The possible impact of the European Economic Community, in particula r the common market upon world trade. Geneva: s.l.
MLA
General Agreement on Traiffs and Trade, . The possible impact of the European Economic Community, in particula r the common market upon world trade. Geneva: s.l. 1957.