Παραπομπή APA
Organisation for Economic Co-operation and Development. (1990). OECD in figures: Statistics on the member countries (1990 ed.). Paris: OECD.
Παραπομπή Chicago StyleOrganisation for Economic Co-operation and Development. OECD in Figures: Statistics On the Member Countries. 1990 ed. Paris: OECD, 1990.
Παραπομπή MLAOrganisation for Economic Co-operation and Development. OECD in Figures: Statistics On the Member Countries. 1990 ed. Paris: OECD, 1990.
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