APA引文

Hopkins A. Andy & Potter J. Jocelyn. (1998). Look ahead 2: Classroom course. Video workbook. Harlow, Longman, 1998.

Chicago Style (17th ed.) Citation

Hopkins A. Andy and Potter J. Jocelyn. Look Ahead 2: Classroom Course. Video Workbook. Harlow, Longman, 1998, 1998.

MLA引文

Hopkins A. Andy and Potter J. Jocelyn. Look Ahead 2: Classroom Course. Video Workbook. Harlow, Longman, 1998, 1998.

警告：這些引文格式不一定是100％准確.