APA-Zitierstil (7. Ausg.)

CRYSTAL, D. (2003). English as a global language.-- ed.2. Cambridge University Press.

Chicago-Zitierstil (17. Ausg.)

CRYSTAL, David. English as a Global Language.-- Ed.2. Cambridge: Cambridge University Press, 2003.

MLA-Zitierstil (9. Ausg.)

CRYSTAL, David. English as a Global Language.-- Ed.2. Cambridge University Press, 2003.