Longman Dictionary of Language Teaching and Applied Linguistics. Third Edition

Longman Basic English Dictionary

Longman Elementary Dictionary

Oxford Advanced Learner´s Dictionary, 9th ed.

The New Penguin English Dictionary

Oxford Large Print Thesaurus

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

Oxford Idioms Dictionary for learners of English 2nd Revised edition

Longman Dictionary of Contemporary English, 6e (Paper) + Onl

Longman Dictionary of Common Errors

Longman Advanced Learners´ Grammar + Key

Longman Pronunciation Dictionary. New Edition

Phrasal Verbs Dictionary 2nd Ed