Baird, John W.
Business communication : strategies and solutions
McGraw-Hill, 1983
 Buku Teks SO
Angell, Pamela
Business communication design : creativity, strategies, and solutions / Pamela A. Angell
McGraw-Hill Irwin, 2007
 Buku Teks
Quible, Zone K.
Business Communication
Prentice Hall International,inc, 1996
 Buku Teks
Quible, Zone K.
Business Communication
Prentice-Hall International, 1996
 Koleksi Publik
Ewald, Helen Rothschild
Business communication
Prentice-Hall International, 1997
 Buku Teks