Krugman, P. R., Obstfeld, M., & Melitz, M. J. International finance: Theory and policy (Eleventh edition.).
芝加哥风格引文Krugman, Paul R., Maurice Obstfeld, 与 Marc J. Melitz. International Finance: Theory and Policy. Eleventh edition.
MLA引文Krugman, Paul R., et al. International Finance: Theory and Policy. Eleventh edition.
警告：这些引文格式不一定是100％准确.