[중고]Basic Grammar in Use Student's Book with Answers : Self-study reference and practice for students of North American English (Paperback, 3 Revised edition) - Cambridge In Use 1
[중고]Essential Grammar in Use with Answers : A Self-study Reference and Practice Book for Elementary Students of English (Paperback, 2 Rev ed) - Essential Grammar in Use 4
[중고]Grammar in Use Intermediate Student's Book with answers : Self-study Reference and Practice for Students of North American English (Paperback, 3 Revised edition) - Grammar in Use Intermediate 1
[중고]English Grammar in Use Book with Answers : A Self-Study Reference and Practice Book for Intermediate Learners of English (Paperback, 4 Revised edition) - Cambridge In Use 6
[중고]Basic Grammar in Use Student's Book with Answers and CD-ROM : Self-study reference and practice for students of North American English (Package, 3 Revised edition)
[중고]Grammar in Use Intermediate Student's Book with Answers and CD-ROM : Self-study Reference and Practice for Students of North American English (Package, 3 Revised edition) - Grammar in Use Intermediate 6