KRUGMAN, P. R. (2012). International economics: Theory & policy ninth edition. Pearson Education Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKRUGMAN, Paul R. International Economics: Theory & Policy Ninth Edition. Pearson Education Limited, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKRUGMAN, Paul R. International Economics: Theory & Policy Ninth Edition. Pearson Education Limited, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.