Proficiency Grammar

Cambridge University Press

Cambridge Grammar for CAE and Proficiency with Answers and Audio CDs (2)

Cambridge English

Objective Proficiency Student's Book Pack (Student's Book with Answers with Downloadable Software and Class Audio CDs (2)) 2nd Edition (CAMBRIDGE)

Pearson Longman

Grammar and Vocabulary for Cambridge Advanced and Proficiency. With Key. Schülerbuch: Fully updated for the revised CPE

Independently published

English Grammar Practice - Certificate in Proficiency of English: 100 C2 key word transformation sentences

PEARSON DISTRIBUCIÓN

GRAMMAR & VOCABULARY CAE & CPE WORKBOOK WITH KEY NEW EDITION (Grammar and Vocabulary)

Cambridge English

Objective Proficiency 2nd Edition Student's Book without answers with Downloadable Software (CAMBRIDGE)

Cambridge University Press

Objective Proficiency Student's Book with Answers with Downloadable Software (CAMBRIDGE)

GRAMMAR FOR ADVANCED AND PROFICIENCY EXAMS (English Edition)

English language academy

English Grammar Practice - Certificate in proficiency of English: 100 CPE Key word transformation sentences (English Edition)

English Language Academy

English Grammar Practice - C2 - Certificate in Proficiency of English: 100 CPE Key word transformation sentences (English Edition)