Voiles, Price R.
Business English essentials
Glencoe, 1993
Buku Teks
Ibbotson, Mark
Cambridge English for engineering
Cambridge University Press, 2008
Multimedia
Camp, Sue C.
Developing proofreading and editing skills
McGraw-Hill, 2001
Multimedia
Camp, Sue C.
Developing proofreading and editing skills
Glencoe/McGraw-Hill, 2001
Buku Teks
Jaderstrom, Susan
Business English at work
McGraw-Hill Glencoe, 2003
Buku Teks