1.
Crystal, D. & Cambridge Books Online EBS. English as a Global Language. (Cambridge University Press, 2012).
2.
Fromkin, V., Rodman, R. & Hyams, N. M. An introduction to language. (Wadsworth, Cengage Learning, 2014).
3.
Hitchings, H. The language wars: a history of proper English. (Picador, 2012).
4.
Jenkins, J. Global Englishes: a resource book for students. (Routledge, Taylor & Francis Group, 2015).
5.
Jenkins, J. Global Englishes: a resource book for students. (Routledge, Taylor & Francis Group, 2015).
6.
Larsen-Freeman, D. & Anderson, M. Techniques & principles in language teaching. (Oxford University Press, 2011).
7.
Kirkpatrick, A. World Englishes: implications for international communication and English language teaching. (Cambridge University Press, 2007).
8.
Melchers, G. & Shaw, P. World Englishes. (Routledge, 2013).
9.
Mooney, A. & Evans, B. Language, society and power: an introduction. (Routledge, Taylor & Francis Group, 2019).
10.
Parrott, M. Grammar for English language teachers. (Cambridge University Press, 2010).
11.
Richards, J. C., Rodgers, T. S., & Cambridge Books Online EBS. Approaches and Methods in Language Teaching. (Cambridge University Press, 2001).
12.
Holmes, J. An introduction to sociolinguistics. (Pearson, 2013).
