APA (7 वां संस्करण) प्रशस्ति पत्र

Organisation for Economic Co-operation and Development. (1989). OECD economic surveys: Belgium Luxembourg. OECD Publishing.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Organisation for Economic Co-operation and Development. OECD Economic Surveys: Belgium Luxembourg. Paris, France: OECD Publishing, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Organisation for Economic Co-operation and Development. OECD Economic Surveys: Belgium Luxembourg. OECD Publishing, 1989.

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