Dumont, Raymond A., author
Business communications
Little, Brown, 1985
 Buku Teks
Siswanto Sutojo, author
Komunikasi bisnis yang efektif : effective business communications
Damar Mulia Pustaka, 2003
 Buku Teks
Quible, Zone K.
Business Communication
Prentice Hall International,inc, 1996
 Buku Teks
Quible, Zone K.
Business Communication
Prentice Hall International,inc, 1996
 Buku Teks
Quible, Zone K.
Business Communication
Prentice Hall International,inc, 1996
 Koleksi Publik