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
Treece, Malra
Communication for business and the professions
Allyn and Bacon, 1989
 Buku Teks
Orey, Maureen
Communication skills training
American Society for Training and Development Press;, 2004
 eBooks
Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
 Buku Teks
Murphy, Herta A.
Effective business communications
McGraw-Hill , 1984
 Buku Teks