Autor: Carol Nuttall, 3 titluri

Expert Proficiency Active Teach CD-ROM - Carol Nuttall

Carol Nuttall,Megan Roderick

Expert Proficiency Coursebook and Audio CD Pack - Megan Roderick

Megan Roderick,Carol Nuttall,Nick Kenny

Expert Proficiency Students Resource Book with Key - Megan Roderick

Megan Roderick,Carol Nuttall,Nick Kenny