Citazione Stile APA (7a Edizione)

Conway, D., & Shirreffs, B. (2003). On Course for IELTS: Student's Book. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Conway, Darren, e Brett Shirreffs. On Course for IELTS: Student's Book. Melbourne: Oxford University Press, 2003.

Citatione MLA (9a ed.)

Conway, Darren, e Brett Shirreffs. On Course for IELTS: Student's Book. Oxford University Press, 2003.