Krugman, P. R. (2014). International Economics (8th.). Dorling Kindersley (India) Pvt. Ltd.
芝加哥风格引文Krugman, Paul R. International Economics. 8th. Noida: Dorling Kindersley (India) Pvt. Ltd, 2014.
MLA引文Krugman, Paul R. International Economics. 8th. Dorling Kindersley (India) Pvt. Ltd, 2014.
警告：这些引文格式不一定是100％准确.