Betty S Azar, Stacy A. Hagen, "Understanding and Using English Grammar, Student Book with Essential Online Resources (5th edition)" 2017 | ISBN-10: 0134268822 | 512 pages | PDF | 61 MB
Keith S. Folse, Betty S. Azar, "Keys to Teaching Grammar to English Language Learners: A Practical Handbook" English | 2009 | pages: 367 | ISBN: 0472032208 | PDF | 32,7 mb