APA (7 वां संस्करण) प्रशस्ति पत्र

Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2015). International economics: Theory and policy (10th edition.). Pearson.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Krugman, Paul R., Maurice Obstfeld, और Marc J. Melitz. International Economics: Theory and Policy. 10th edition. Boston: Pearson, 2015.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Krugman, Paul R., et al. International Economics: Theory and Policy. 10th edition. Pearson, 2015.