Culpeper, J. (2009) English language: description, variation and context. Houndmills, Basingstoke: Palgrave Macmillan.
Culpeper, J. et al. (eds) (2018) English language: description, variation and context. Second edition. London: Palgrave. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=LeicesterU&isbn=9781137571854.
Merrison, A. et al. (2014) Introducing language in use: a coursebook. Second Edition. London: Routledge, Taylor & Francis Group.
Merrison, A.J. et al. (2013) Introducing Language in Use: A Course Book. 2nd ed. Florence: Taylor and Francis. Available at: http://ebookcentral.proquest.com/lib/leicester/detail.action?docID=1582671.
