Krugman , P. R. (2017). International Economics: Theory and Policy (8th.). Pearson Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrugman , Paul R. International Economics: Theory and Policy. 8th. Chennai: Pearson Education, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrugman , Paul R. International Economics: Theory and Policy. 8th. Pearson Education, 2017.
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