Secretary-General. (1983). The generalised system of preferences: Review of the first decade. France: Organisation for Economic Co-operation and Development.
Citação norma ChicagoSecretary-General. The Generalised System of Preferences: Review of the First Decade. France: Organisation for Economic Co-operation and Development, 1983.
Citação norma MLASecretary-General. The Generalised System of Preferences: Review of the First Decade. France: Organisation for Economic Co-operation and Development, 1983.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.