APA引文

(2007). IELTS graduation. Oxford, UK: Macmillan publisher limited.

Trích dẫn kiểu Chicago

IELTS Graduation. Oxford, UK: Macmillan publisher limited, 2007.

MLA引文

IELTS Graduation. Oxford, UK: Macmillan publisher limited, 2007.

警告：这些引文格式不一定是100％准确.