APA (7. basım) Alıntı

Shirreffs, B., & Conway, D. (2011). On course for IELTS: Student's book (2. baskı.). Oxford University Press.

Chicago Style (17. basım) Atıf

Shirreffs, Brett, ve Darren Conway. On Course for IELTS: Student's Book. 2. baskı. Oxford: Oxford University Press, 2011.

MLA (9th ed.) Atıf

Shirreffs, Brett, ve Darren Conway. On Course for IELTS: Student's Book. 2. baskı. Oxford University Press, 2011.