Dictionary of New English 1963-1972
Barnhart

Bürowörterbuch
Langenscheidt

Communication for Business Lehrerha
Abegg, Birgit

Objective PET for Schools
Hashemi, Louise

Smile III
Lichtenwagner, Claudia

Basic Vocabulary
Ruff

The Nelson First Certificate Teache
Morris, Susan, Stanton Alan

Focus Modern Business Testing 4/5

Pollution
James, Barbara

English in Mind 1 Workbook 1
Puchta, Herbert ua