[1]
P. R. Krugman, M. Obstfeld, and M. J. Melitz, International economics: theory & policy, Eleventh edition. Harlow, England: Pearson, 2018 [Online]. Available: http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb3159093
[2]
P. R. Krugman, M. Obstfeld, and M. J. Melitz, International economics: theory & policy, Eleventh edition, Global edition. Harlow, England: Pearson, 2018 [Online]. Available: http://ebookcentral.proquest.com/lib/warw/detail.action?docID=5186890
[3]
R. C. Feenstra and A. M. Taylor, International economics, 2nd ed. New York: Worth Publishers, 2012.
[4]
J. R. Markusen et al., International trade: theory and evidence. New York: McGraw-Hill, 1995.
[5]
R. C. Feenstra, Advanced international trade: theory and evidence, Second edition. Princeton: Princeton University Press, 2016.
[6]
R. E. Caves, J. A. Frankel, and R. W. Jones, World trade and payments: an introduction, 10th ed., vol. The Addison-Wesley series in economics. Boston, MA: Pearson Addison Wesley, 2007.
[7]
D. R. Appleyard, A. J. Field, and S. L. Cobb, International economics, 7th ed., vol. The McGraw-Hill series economics. New York: McGraw-Hill Irwin, 2010.
