Stengel, D. N., & Chaffe-Stengel, P. M. (2012). Working with economic indicators: Interpretation and sources (First edition.). Business Expert Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStengel, Donald N., और Priscilla M. Chaffe-Stengel. Working with Economic Indicators: Interpretation and Sources. First edition. New York, N.Y: Business Expert Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStengel, Donald N., और Priscilla M. Chaffe-Stengel. Working with Economic Indicators: Interpretation and Sources. First edition. Business Expert Press, 2012.
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