APA način citiranja (7. izdanje)
Crystal, D. (2003). English as a global language (Second edition.). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)
Crystal, David. English as a Global Language. Second edition. Cambridge, England ; New York: Cambridge University Press, 2003.
MLA način citiranja (9. izdanje)
Crystal, David. English as a Global Language. Second edition. Cambridge University Press, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.