APA ציטוט

Black, M. (2006). Objective IELTS Student's Book. Intermediate. Cambridge University Press.

Trích dẫn kiểu Chicago

Black, Michael. Objective IELTS Student's Book. Intermediate. Cambridge University Press, 2006.

ציטוט MLA

Black, Michael. Objective IELTS Student's Book. Intermediate. Cambridge University Press, 2006.