Salvatore, Dominick
International economics
Macmillan, 1993
 Buku Teks SO
Salvatore, Dominick
International economics
Prentice-Hall, 1995
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Vaish, M.C.
International economics / M.C. Vaish, Sudama Singh
Oxford & IBH Pub. Co., 1988
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Walter, Ingo
International economics
John Wiley & Sons, 1981
 Buku Teks SO
Salvatore, Dominick
International economics
John Wiley & Sons, 2007
 Buku Teks SO