Longman Dictionary of Contemporary English with CD-ROM (4th Edition)

Longman Handy Learner´s Dictionary

Longman Basic English Dictionary

Longman Business English Dictionary and CD Pack

Longman Picture Dictionary

Longman Dictionary of Common Errors

Longman Dictionary of Contemporary English, 6e (Paper)

Longman Elementary Dictionary

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

Longman Pronunciation Dictionary. New Edition

Oxford Advanced Learner´s Dictionary, 9th ed.