[1]
D. Crystal and Cambridge Books Online EBS., English as a Global Language. Cambridge: Cambridge University Press, 2012 [Online]. Available: https://go.openathens.net/redirector/city.ac.uk?url=https://doi.org/10.1017/CBO9781139196970
[2]
V. Fromkin, R. Rodman, and N. M. Hyams, An introduction to language, 10th ed., International ed. Australia: Wadsworth, Cengage Learning, 2014.
[3]
H. Hitchings, The language wars: a history of proper English, 1st Picador ed. New York: Picador, 2012.
[4]
J. Jenkins, Global Englishes: a resource book for students, Third edition. London: Routledge, Taylor & Francis Group, 2015.
[5]
J. Jenkins, Global Englishes: a resource book for students, Third edition. London: Routledge, Taylor & Francis Group, 2015 [Online]. Available: https://ebookcentral.proquest.com/lib/city/detail.action?docID=1770601
[6]
D. Larsen-Freeman and M. Anderson, Techniques & principles in language teaching, 3rd ed. Oxford: Oxford University Press, 2011.
[7]
A. Kirkpatrick, World Englishes: implications for international communication and English language teaching. Cambridge: Cambridge University Press, 2007.
[8]
G. Melchers and P. Shaw, World Englishes, Second edition. London: Routledge, 2013.
[9]
A. Mooney and B. Evans, Language, society and power: an introduction, Fifth edition. London: Routledge, Taylor & Francis Group, 2019.
[10]
M. Parrott, Grammar for English language teachers, 2nd ed. Cambridge, UK: Cambridge University Press, 2010.
[11]
J. C. Richards, T. S. Rodgers, and Cambridge Books Online EBS., Approaches and Methods in Language Teaching. Cambridge: Cambridge University Press, 2001 [Online]. Available: http://0-dx.doi.org.wam.city.ac.uk/10.1017/CBO9780511667305
[12]
J. Holmes, An introduction to sociolinguistics, 4th ed. Harlow: Pearson, 2013.
