Let's Get Talking
Ramsey

Dictionary of New English 1963-1972
Barnhart

The Art of Teaching English
Morris

For Foreign Students
Eckersley/Kaufmann

Offenes Lernen
Zekl, Claudia

Englisch Grammatik
Lang-Howard, Monica

Business Builders 1, 2, 3
Emmerson, Paul

Kommentierte Wirtschaftsübersetzunn
Grojer

Basic Business Role Plays
Kerridge, David

Dictionary of Current Idiomatic Enh
Cowie/Mackin