Longman American Idioms Dictionary

Oxford Advanced Learner´s Dictionary, 9th ed.

Oxford Idioms Dictionary for learners of English 2nd Revised edition

Longman Basic English Dictionary

Longman Advanced Learners´ Grammar + Key

Cambridge Idioms Dictionary 2nd ed.

Longman Business English Dictionary and CD Pack

Oxford Collocations Dictionary for Students of English. Second edition. Pack (Book and CD-ROM)

Phrasal Verbs Dictionary 2nd Ed

Longman Dictionary of Contemporary English New Edition+ DVD-ROM

Longman Dictionary of English Language and Culture

Oxford Large Print Thesaurus