Παραπομπή APA

Secretary-General. (1983). The generalised system of preferences: Review of the first decade. France: Organisation for Economic Co-operation and Development.

Παραπομπή Chicago Style

Secretary-General. The Generalised System of Preferences: Review of the First Decade. France: Organisation for Economic Co-operation and Development, 1983.

Παραπομπή MLA

Secretary-General. The Generalised System of Preferences: Review of the First Decade. France: Organisation for Economic Co-operation and Development, 1983.

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