APA引文

Jakeman, V., & McDowell, C. (2003). Insight into IELTS extra with answers. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Jakeman, Vanessa., và Clare McDowell. Insight Into IELTS Extra With Answers. Cambridge: Cambridge University Press, 2003.

MLA引文

Jakeman, Vanessa., và Clare McDowell. Insight Into IELTS Extra With Answers. Cambridge: Cambridge University Press, 2003.

警告：这些引文格式不一定是100％准确.