Gaya APA
Crystal, David. (2003).
English as a global language (2nd).
New York:
Cambridge University Press.
Gaya Chicago
Crystal, David.
English as a global language.
2nd
New York:
Cambridge University Press,
2003.
Text.
Gaya MLA
Crystal, David.
English as a global language.
2nd
New York:
Cambridge University Press,
2003.
Text.
Gaya Turabian
Crystal, David.
English as a global language.
2nd
New York:
Cambridge University Press,
2003.
Print.