| 1 | Brown, H. D. (2015). Teaching by Principles: An Interactive Approach to Language Pedagogy (4th ed.). Pearson Education. |
| 2 | Celce-Murcia, M., Brinton, D. M., & Snow, M. A. (2014). Teaching English as a Second or Foreign Language (4th ed.). National Geographic Learning. |
| 3 | Thornbury, S. (2005). How to Teach Speaking. Pearson Education. |
| 4 | Burns, A., & Goh, C. (2012). Teaching Speaking: A Holistic Approach. Cambridge University Press. |
| 5 | Chaney, A. L., & Burk, T. L. (1998). Teaching Oral Communication in Grades K–8. Allyn & Bacon. |
| 6 | Harmer, J. (2015). The Practice of English Language Teaching (5th ed.). Pearson Education. |
| 7 | Richards, J. C. (2008). Teaching Listening and Speaking: From Theory to Practice. Cambridge University Press. |
| 8 | Underhill, A. (2005). Sound Foundations: Learning and Teaching Pronunciation (2nd ed.). Macmillan. |