English the international language
Basic English Grammar, 3rd Edition (Full Student Book with Audio CD and Answer Key) by Betty Schrampfer Azar, Stacy A. Hagen
English Grammar in Use with Answers and CD-ROM: A Self-Study Reference and Practice Book for Intermediate Learners of English by Raymond Murphy
English Grammar for ESL Learners, 2nd Edition: With 100 Exercises by Ed Swick
Advanced Grammar in Use Book with Answers and CD-ROM: A Self-Study Reference and Practice Book for Advanced Learners of English by Martin Hewings
The Blue Book of Grammar and Punctuation: An Easy-to-Use Guide with Clear Rules, Real-World Examples, and Reproducible Quizzes by Jane Straus
Understanding and Using English Grammar with Audio CDs and Answer Key by Betty Schrampfer Azar, Stacy A. Hagen
The Only Grammar Book You'll Ever Need: A One-Stop Source for Every Writing Assignment by Susan Thurman, Larry Shea
Practical English Usage by Michael Swan
McGraw-Hill Handbook of English Grammar and Usage by Mark Lester, Larry Beason
Fundamentals of English Grammar with Audio CDs and Answer Key by Betty Schrampfer Azar, Stacy A. Hagen
Grammar in Context Basic by Sandra N. Elbaum, Judi P. Peman
Essential Grammar in Use with Answers: A Self-Study Reference and Practice Book for Elementary Students of English by Raymond Murphy
