APA引文

(1987). Cambridge proficiency examination practice 2 (teacher's book). Cambridge, UK: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

Cambridge Proficiency Examination Practice 2 (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1987.

MLA引文

Cambridge Proficiency Examination Practice 2 (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1987.

警告：这些引文格式不一定是100％准确.