Lernhilfe Engisch 2
Wimmer, Reinhart

Business Opportunities-Teacher`
Hollett, Vicki

Current English Usage
Wood

Wie gut bin ich in Englisch
Mensch, Heike

Practice in English
Posner, M.

Teacher's Resource Pack 4/5
Seer, Angelika; Zekl, Claudia

Focus on Modern Business 1 Resource

Export English
Norman

English Preposition Idioms
Wood

Him and Her
Schmidt/Wullen