Gates, Bill
Business @ the speed of thought : using a digital nervous system / Bill Gates with Collins Hemingway
Warner Books, 1999
 Buku Teks
Collins business German
edited by Stephen Clarke
Harper Collins, 1995
 Buku Referensi
Pass, Chirtopher
Collins kamus lengkap bisnis = Colins dictionary of business
Erlangga, 1997
 Buku Referensi
Griffin, Ricky W.
Business
Pearson Education International, 2006
 Buku Teks
Griffin, Ricky W.
Business
Prentice-Hall, 1999
 Buku Teks