Woolcott, Lysbeth A.
Komunikasi bisnis untuk sekretaris = Communication for business and scretarial students / Lysbeth .A. Woolcott, Wendy R. Unwin; alih bahasa, Evita Kandom
Erlangga , 1993
 Buku Teks SO
Treece, Malra
Communication for business and the professions
Allyn and Bacon, 1989
 Buku Teks SO
Orey, Maureen
Communication skills training
American Society for Training and Development Press;, 2004
 eBooks
Murphy, Herta A.
Effective business communications
McGraw-Hill , 1984
 Buku Teks SO
Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
 Buku Teks SO