Cita APA
Crystal, D. (2003). English as a global language (Second edition.). Cambridge University Press.
Citación estilo Chicago
Crystal, David. English as a Global Language. Second edition. Cambridge, England ; New York: Cambridge University Press, 2003.
Cita MLA
Crystal, David. English as a Global Language. Second edition. Cambridge University Press, 2003.
Warning: These citations may not always be 100% accurate.