APA引文

(1997). Cambridge proficiency examination practice 4: University of Cambridge local examinations syndicate. Nxb Tp.HCM.

Trích dẫn kiểu Chicago

Cambridge Proficiency Examination Practice 4: University of Cambridge Local Examinations Syndicate. Nxb Tp.HCM, 1997.

MLA引文

Cambridge Proficiency Examination Practice 4: University of Cambridge Local Examinations Syndicate. Nxb Tp.HCM, 1997.

警告：這些引文格式不一定是100％准確.