Keegan, Warren J.
Global marketing
Pearson , 2013
 Buku Teks
Keegan, Warren J.
Global marketing
Prentice-Hall, 1999
 Buku Teks
Keegan, Warren J.
Global marketing
Pearson Education , 2015
 Buku Teks
Dahringer, Lee D.
International marketing : a global perspective
Addison-Wesley, 1991
 Buku Teks
Keegan, Warren J.
Principles of global marketing
Prentice-Hall, 1997
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