South Africa Since 1948
Hayward, Jean

Essential Grammar in Use
Murphy

We mean Business
Norman

English in Mind 2 Student's Book
Puchta, Herbert / Stranks, Jeff

Export English
Norman

The New Cambridge English Course 1
Swan, Michael

Travel
Rabley, Stephen

Englische Wirtschaftssprache
Obenaus/Weidacher

English Preposition Idioms
Wood

The Art of Teaching English
Morris