New success at first certificate.

od O'Neill, Robert., Duckworth, Michael., Gude, Kathy.
Izdano 1998

New headway English course.

od Soars, Liz., Soars, John., Devoy, Jo.
Izdano 2000

New international business english : communication skills in English for business purposes.

od Jones, Leo, 1943-, Alexander, Richard, 1959-
Izdano 2002

New headway English course.

od Soars, Liz., Soars, John.
Izdano 2001

Opportunities.

od Harris, Michael, 1955-, Mower, David., Sikorzyńska, Anna.
Izdano 2004