Roberts, Russell D.
The choice: a fable of free trade and protectionism
Pearson Prentice Hall, 2007
 Buku Teks
U.S.-China educational exchange : perspectives on a growing partnership
edited by Shepherd Laughlin
The Institute of International Education, 2008
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Roemer, John E
U.S.-Japanese competition in international markets : a study of the trade-investment cycle in modern capitalism /​ John E. Roemer.
Institute of International Studies, University of California, 1975
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Bhagwati, Jagdish
International trade
Penguin Books, 1969
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Paust, Jordan J.
International law and litigation in the U.S.
St. Paul Minn, 2000
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