Bradly, Frank
International marketing strategy
Prentice-Hall, 1995
 Buku Teks SO
Bradly, Frank
International marketing strategy
Prentice-Hall, 1995
 Buku Teks SO
International marketing strategy : Selected readings
edited by H.B. Thorelli
Penguin Books, 1973
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Cateora, Philip R.
International marketing
McGraw-Hill, 2008
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Modern marketing strategy
edited by Edward C. Bursk and John F. Chapman
New American Library, 1964
 Buku Teks SO