Trích dẫn APA

(1991). Certificate in Advanced English: Sample Materials. Anh: University of cambridge Local Examinations Syndicate.

Trích dẫn kiểu Chicago

Certificate in Advanced English: Sample Materials. Anh: University of cambridge Local Examinations Syndicate, 1991.

MLA Trích dẫn

Certificate in Advanced English: Sample Materials. Anh: University of cambridge Local Examinations Syndicate, 1991.

Warning: These citations may not always be 100% accurate.