Gaya APA
Carter, R., McCarthy, M. (2006).
Cambrdige Grammar of English : a Comprehensif Guide Spoken and Written English Grammar and Usage .
Cambridge:
Cambridge University Press.
Gaya MLA
Carter, Ronald., McCarthy, Michael.
"Cambrdige Grammar of English : a Comprehensif Guide Spoken and Written English Grammar and Usage".
Cambridge:
Cambridge University Press,
2006.
Elektronik/Digital.