Cambridge Dictionary of American English

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

Longman Dictionary of English Language and Culture

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

Oxford Advanced Learner´s Dictionary, 9th ed.

Longman Pronunciation Dictionary. New Edition

Oxford Large Print Thesaurus

The New Penguin English Dictionary

Longman Dictionary of Common Errors

Longman Basic English Dictionary

Longman Dictionary of Contemporary English New Edition+ DVD-ROM

Longman Handy Learner´s Dictionary