Global business
Michael R. Czinkota, Ronkainen Ilkka A., Michael H.Moffett, Eugene O. Moynihan, ... [et al.].
Harcourt College publishers, 2001
 Buku Teks
Durie, Bruce
Glorier business library : e business
Glorier International, 2001
 Buku Referensi
Dobson, Ann
Glorier business library : writing business letter
Grolier International Inc., 1999
 Buku Referensi
Bennie, Michael
Glorier business library : mastering business english
Glorier International, 1999
 Buku Referensi
Griffin, Ricky W.
International business : a managerial perspective
Prentice-Hall, 2002
 Buku Teks