Organisation for Economic Co-operation and Development. (1990). OECD economic surveys: Belgium - Luxembourg. Organisation for Economic Co-operation and Development.
Čikaški stil citiranja (17. izdanje)Organisation for Economic Co-operation and Development. OECD Economic Surveys: Belgium - Luxembourg. Paris, France: Organisation for Economic Co-operation and Development, 1990.
MLA način citiranja (9. izdanje)Organisation for Economic Co-operation and Development. OECD Economic Surveys: Belgium - Luxembourg. Organisation for Economic Co-operation and Development, 1990.
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