Wilson, Kenneth G.
The columbia guide to standard American English
Columbia University Press, 1993
 Buku Referensi
Benn, Alec
The 27 most common mistakes in advertising / Alec Benn
American Management Associations, 1978
 Buku Teks SO
Wilkinson, Frances C.
The complete guide to acquisitions management
Libraries Unlimited, 2003
 Buku Teks SO
Brostoff, Jonatham
Hayfever the complete guide
Bloomsbury pubishing Limited, 1993
 Buku Teks SO
Goncalves, Marcus
Firewalls : a complete guide
McGraw-Hill , 2000
 Multimedia