Jim Sherlock and Jonathan Reuvid, The Handbook of International Trade: A Guide to the Principles and Practice of Export, GMB Publishing Ltd., 2004.
S. Tamer Cavusgil, Gary Knight and John Riesenberger, International Business: The New Realities, 4th ed., Pearson, 2016.
Paul R. Krugman, Maurice Obstfeld and Marc J. Melitz, International Trade: Theory & Policy, Pearson, 11th ed., 2018.
www.wto.org