APA

Haines S., May P., . (2006). IELTS Masterclass. New York: Oxford University Press.

Chicago

Haines S, May P, . 2006. IELTS Masterclass. New York: Oxford University Press.

Harvard

Haines S., May P., . (2006). IELTS Masterclass. New York: Oxford University Press.

MLA

Haines S, May P, . IELTS Masterclass. New York: Oxford University Press. 2006.