Wirtschaftssprache
Renner-Sachs

Communication for Business Lehrbuch
Abegg, Birgit

Lexikon der englischen Synonyme

English Preposition Idioms
Wood

Objective PET for Schools
Hashemi, Louise

English Synonyms
Ruff

Looking at literature
Woxbrandt / Kunze

Smile III
Lichtenwagner, Claudia

Harrap's Easy English Dictionary
Pons

Effective Meetings Teacher`s Book
Comfort, Jeremy