APA ציטוט

Cullen, P. (2008). Cambridge Vocabulary for IELTS. New York: Cambridge University Press.

Trích dẫn kiểu Chicago

Cullen, Pauline. Cambridge Vocabulary for IELTS. New York: Cambridge University Press, 2008.

ציטוט MLA

Cullen, Pauline. Cambridge Vocabulary for IELTS. New York: Cambridge University Press, 2008.