[중고]Advanced Grammar in Use with Answers : A Self-Study Reference and Practice Book for Advanced Learners of English (Paperback, 3 Revised edition) - Cambridge In Use 7
[중고]Advanced Grammar in Use Book with Answers and Interactive eBook : A Self-study Reference and Practice Book for Advanced Learners of English (Multiple-component retail product, 3 Revised edition) - Cambridge In Use 37
[중고]Advanced Grammar in Use Book with Answers and CD-ROM : A Self-Study Reference and Practice Book for Advanced Learners of English (Package, 3 Rev ed)