@book{Crystal_Cambridge Books Online EBS._2012, address={Cambridge}, title={English as a Global Language}, url={https://go.openathens.net/redirector/city.ac.uk?url=https://doi.org/10.1017/CBO9781139196970}, publisher={Cambridge University Press}, author={Crystal, David and Cambridge Books Online EBS.}, year={2012} }
@book{Fromkin_Rodman_Hyams_2014, address={Australia}, edition={10th ed., International ed}, title={An introduction to language}, publisher={Wadsworth, Cengage Learning}, author={Fromkin, Victoria and Rodman, Robert and Hyams, Nina M.}, year={2014} }
@book{Hitchings_2012, address={New York}, edition={1st Picador ed}, title={The language wars: a history of proper English}, publisher={Picador}, author={Hitchings, Henry}, year={2012} }
@book{Holmes_2013, address={Harlow}, edition={4th ed}, title={An introduction to sociolinguistics}, publisher={Pearson}, author={Holmes, Janet}, year={2013} }
@book{Jenkins_2015a, address={London}, edition={Third edition}, title={Global Englishes: a resource book for students}, publisher={Routledge, Taylor & Francis Group}, author={Jenkins, Jennifer}, year={2015} }
@book{Jenkins_2015b, address={London}, edition={Third edition}, title={Global Englishes: a resource book for students}, url={https://ebookcentral.proquest.com/lib/city/detail.action?docID=1770601}, publisher={Routledge, Taylor & Francis Group}, author={Jenkins, Jennifer}, year={2015} }
@book{Kirkpatrick_2007, address={Cambridge}, title={World Englishes: implications for international communication and English language teaching}, publisher={Cambridge University Press}, author={Kirkpatrick, Andy}, year={2007} }
@book{Larsen-Freeman_Anderson_2011, address={Oxford}, edition={3rd ed}, title={Techniques & principles in language teaching}, publisher={Oxford University Press}, author={Larsen-Freeman, Diane and Anderson, Marti}, year={2011} }
@book{Melchers_Shaw_2013, address={London}, edition={Second edition}, title={World Englishes}, publisher={Routledge}, author={Melchers, Gunnel and Shaw, Philip}, year={2013} }
@book{Mooney_Evans_2019, address={London}, edition={Fifth edition}, title={Language, society and power: an introduction}, publisher={Routledge, Taylor & Francis Group}, author={Mooney, Annabelle and Evans, Betsy}, year={2019} }
@book{Parrott_2010, address={Cambridge, UK}, edition={2nd ed}, title={Grammar for English language teachers}, publisher={Cambridge University Press}, author={Parrott, Martin}, year={2010} }
@book{Richards_Rodgers_Cambridge Books Online EBS._2001, address={Cambridge}, title={Approaches and Methods in Language Teaching}, url={http://0-dx.doi.org.wam.city.ac.uk/10.1017/CBO9780511667305}, publisher={Cambridge University Press}, author={Richards, Jack C. and Rodgers, Theodore S. and Cambridge Books Online EBS.}, year={2001} }