एपीए उद्धरण

Cullen, P. (2008). Cambridge vocabulary for IELTS with answers: Self study vocabulary practice. New York: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Cullen, Pauline. Cambridge Vocabulary for IELTS With Answers: Self Study Vocabulary Practice. New York: Cambridge University Press, 2008.

एमएलए उद्धरण

Cullen, Pauline. Cambridge Vocabulary for IELTS With Answers: Self Study Vocabulary Practice. New York: Cambridge University Press, 2008.