APA-Zitierstil (7. Ausg.)

Crystal, D. (1997). English as a global language (1a. ed.). Cambridge University Press.

Chicago-Zitierstil (17. Ausg.)

Crystal, David. English as a Global Language. 1a. ed. Cambridge: Cambridge University Press, 1997.

MLA-Zitierstil (9. Ausg.)

Crystal, David. English as a Global Language. 1a. ed. Cambridge University Press, 1997.