Dignen, Bob
Basic business English words = Perbendaharaan kata bahasa Inggris dasar untuk dunia bisnis
York Associates, 1999
Buku Teks
Guffey, Mary Ellen
Essentials of business communication
PWS-Kent, 1988
Buku Teks
Guffey, Mary Ellen
Essentials of business communication
PWS Publishing, 1991
Buku Teks
Guffey, Mary Ellen
Essentials of business communication / Mary Ellen Guffey, Bertha Du-Babcock
Cengage Learning Asia, 2008
Buku Teks
Dignen, Bob
English for meetings = Bahasa Inggris untuk rapat
York Associates, 1999
Buku Teks