Siemund, Peter, Julia Davydova and Georg Maier. The Amazing World of Englishes. A Practical Introduction. Berlin, Boston: De Gruyter Mouton, 2012. Web. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/179245

Siemund, P., Davydova, J. & Maier, G. (2012). The Amazing World of Englishes. A Practical Introduction. Berlin, Boston: De Gruyter Mouton. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/179245

Siemund, Peter, Julia Davydova and Georg Maier. 2012. The Amazing World of Englishes. A Practical Introduction. Berlin, Boston: De Gruyter Mouton. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/179245