Books:
Martin Parrot’s Grammar for English Language Teachers
Scott Thornbury’s About Language and The New A-Z of ELT
J.C. Richard & Th.S. Rodgers’ Approaches and Methods in Language TeachingORD. Larsen-Freeman & M. Anderson’s Techniques & Principles in Language Teaching
Tricia Hedge’s Teaching and Learning in the Language Classroom
P. Lightbown & N. Spada’s How Languages are Learned