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
Complete guide to documentation
edited by William Wels
Lippincott Williams & Wilkins, 2003
 Buku Teks
Berges, Steve
The complete guide to investing in foreclosures
American Management Association, 2006
 eBooks
Goncalves, Marcus
Firewalls : a complete guide
McGraw-Hill , 2000
 Multimedia