Wooldridge, J. M. (2009). Introductory econometrics: A modern approach (Forth edition.). South Western, Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Forth edition. Mason, OH: South Western, Cengage Learning, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Forth edition. South Western, Cengage Learning, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.