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
Cengage Learning Asia, 2008
Buku Teks
Guffey, Mary Ellen
Essentials of business communication
PWS Publishing, 1991
Buku Teks
Dignen, Bob
English for meetings = Bahasa Inggris untuk rapat
York Associates, 1999
Buku Teks