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

Longman Dictionary of Contemporary English

Longman Pocket Activator

Longman Advanced Learners´ Grammar + Key

Longman Dictionary of Common Errors

Phrasal Verbs Dictionary 2nd Ed

Longman Basic English Dictionary

Oxford Advanced Learner´s Dictionary, 9th ed.

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