Bloem, A. (1997). Discrepancies Between Quarterly GDP Estimates. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBloem, Adriaan. Discrepancies Between Quarterly GDP Estimates. Washington, D.C.: International Monetary Fund, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBloem, Adriaan. Discrepancies Between Quarterly GDP Estimates. International Monetary Fund, 1997.
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