Bailey, Edward P.
Writing & speaking at work: a practical guide for business communication
Prentice-Hall, 2002
 Buku Teks
Pugh, David G.
Powerful proposals: how to give your business the winning edge
American Management Association;, 2005
 eBooks
Sant, Tom
The language of success : business writing that informs, persuades, and gets results
American Management Association, 2008
 eBooks
Business Communication
Holt, Rinehart and Winston of Canada, Limited, 1988
 Buku Teks
Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
 Buku Teks