APA stil citiranja

Crystal, D. (2003). English as a global language: English as a global language (2nd ed.). Cambridge ; New York: Cambridge University Press.

Chicago stil citiranja

Crystal, David. English as a global language: English as a global language. 2nd ed. Cambridge ; New York: Cambridge University Press, 2003.

MLA stil citiranja

Crystal, David. English as a global language: English as a global language. 2nd ed. Cambridge ; New York: Cambridge University Press, 2003.