Lehmann, M. B. (1997). Real world economic applications: The Wall Street journal workbook (6th ed.). Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLehmann, Michael B. Real World Economic Applications: The Wall Street Journal Workbook. 6th ed. Chicago: Irwin, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLehmann, Michael B. Real World Economic Applications: The Wall Street Journal Workbook. 6th ed. Irwin, 1997.
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