Mason, R. Hal (Robert Hal), 1929-
International business
John Wiley & Sons, 1981
 Buku Teks
Wild, John J.
International business
Prentice Hall International, 2001
 Buku Teks
Czinkota, Michael R.
International business
The Dryden Press, 1992
 Buku Teks
Czinkota, Michael R.
International business
The Dryden Press, 1992
 Buku Teks
Czinkota, Michael R.
International business
The Dryden Press , 1996
 Buku Teks