Não informado. (1959). Monthly Statistics of Foreign Trade. Organization for Economic Co-Operation and Development, Department of Economic and Statistics.
Chicago-viite (17. p.)Não informado. Monthly Statistics of Foreign Trade. Paris: Organization for Economic Co-Operation and Development, Department of Economic and Statistics, 1959.
MLA-viite (8. p.)Não informado. Monthly Statistics of Foreign Trade. Organization for Economic Co-Operation and Development, Department of Economic and Statistics, 1959.
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