APA引文

O'Connell, S. (1996). Focus on first certificate for revised exam. [New York]: Longman.

Trích dẫn kiểu Chicago

O'Connell, Sue. Focus On First Certificate for Revised Exam. [New York]: Longman, 1996.

MLA引文

O'Connell, Sue. Focus On First Certificate for Revised Exam. [New York]: Longman, 1996.

警告：这些引文格式不一定是100％准确.