Business Communication
Holt, Rinehart and Winston of Canada, Limited, 1988
 Buku Teks
Treece, Malra
Communication for business and the professions
Allyn and Bacon, 1989
 Buku Teks SO
Dawe, Jessamon
Functional business communication
Prentice-Hall, 1974
 Buku Teks SO
Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
 Buku Teks SO
Murphy, Herta A.
Effective business communications
McGraw-Hill , 1984
 Buku Teks SO