International Monetary Fund. Statistics Dept. (2011). Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. Washington, D.C.: International Monetary Fund, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.