Watson, J. K., Ekelund, R. B. J., & Tollison, R. D. (1991). Study guide to accompany macroeconomics (3rd edition, Robert B. Ekelund, Jr. [and] Robert D. Tollison.). HarperCollins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWatson, John Keith, Robert B. Jr Ekelund, और Robert D. Tollison. Study Guide to Accompany Macroeconomics. 3rd edition, Robert B. Ekelund, Jr. [and] Robert D. Tollison. New York: HarperCollins, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWatson, John Keith, et al. Study Guide to Accompany Macroeconomics. 3rd edition, Robert B. Ekelund, Jr. [and] Robert D. Tollison. HarperCollins, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.