Wie gut bin ich in Englisch
Mensch, Heike

Import Export
Hollett

Commercial Correspondence
Ashley, A.

Good, better, perfect!
Ahrer Andrea; ua

Testing Material
Focus on Modern Business 2

The Art of Teaching English
Morris

Life in Britain
Brookes/Fraenkel

in writing
Skinner,Jody Daniel

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

English in Mind 1 Audio CD
Puchta, Herbert ua