APA ציטוט

Mark Griffiths. (2012). Cambridge IELTS Practice tests. Tổng hợp.

Trích dẫn kiểu Chicago

Mark Griffiths. Cambridge IELTS Practice Tests. Tổng hợp, 2012.

ציטוט MLA

Mark Griffiths. Cambridge IELTS Practice Tests. Tổng hợp, 2012.