Let`s Keep Talking
Ramsey

B for Business
Cullen, William ua

Practical English Usage
Swan, Michael

Englisch Grammatik
Durchstarten

Communication for Business Lehrerha
Abegg, Birgit

The Nelson First Certificate Teache
Morris, Susan, Stanton Alan

International Business Role Plays
Kerridge, David

Business Builders 1, 2, 3
Emmerson, Paul

English in Mind 2 Workbook
Puchta, Herbert / Stranks, Jeff

English Grammar in Use
Murphy