APA引文

Cambridge University. (2013). Cambridge Certificate in Advanced English 1 with answers. United Kingdom: Cambridge university Press.

Trích dẫn kiểu Chicago

Cambridge University. Cambridge Certificate in Advanced English 1 With Answers. United Kingdom: Cambridge university Press, 2013.

MLA引文

Cambridge University. Cambridge Certificate in Advanced English 1 With Answers. United Kingdom: Cambridge university Press, 2013.

警告：这些引文格式不一定是100％准确.