1. Campbell, Lyle. (1994). Language death. Asher & Simpson 1994, vol.4. 1960-1968.
  2. Crystal, D. (1997). English as a Global Language. Cambridge: Cambridge University, Press.
  3. ------------- (2000). Language Death. Cambridge, United Kingdom: Cambridge University Press.
  4. Graddol, D. (1997). The Future of English. London: The British Council.
  5. Jenkins, J. (2000). The Phonology of English as an International Language. Oxford: Oxford University Press
  6. Hoffer, L. Bates. (2002). Language Borrowing-Overview 1 Language Borrowing and Language Diffusion. Intercultural Communication Studies XI: 4. San Antonio, TX, United States: Trinity University Press.
  7. Hogan, T. (1996). Globalization: Experiences and explanations. In A. Kellehear (Ed.), Social Self, Global Culture. Oxford: Oxford University Press.
  8. Poplack, Shana. (2001). code-switching (linguistics). In Smelser,Niel & Baltes,Paul (eds.), international encyclopedia of the social and behavioral sciences. Elsevier Science Ltd.2062-2065.

Socioeconomic. BusinessDictionary.com. WebFinance, Inc. September 24, 2018 <http://www.businessdictionary.com/definition/socioeconomic.html>. (Retrieved in 12