Walstad, W. B., McConnell, C. R., & Brue, S. L. (2008). Study guide for use with McConnell and Brue Economics, seventeenth edition. McGraw-Hill/Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalstad, William B., Campbell R. McConnell, और Stanley L. Brue. Study Guide for Use with McConnell and Brue Economics, Seventeenth Edition. Boston: McGraw-Hill/Irwin, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalstad, William B., et al. Study Guide for Use with McConnell and Brue Economics, Seventeenth Edition. McGraw-Hill/Irwin, 2008.
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