Cunningham S. Sarah & Moor P. Peter. (1999). Cutting Edge. Upper Intermediate: Class cassette 1. Harlow, Longman, 1999.
芝加哥风格引文Cunningham S. Sarah 与 Moor P. Peter. Cutting Edge. Upper Intermediate: Class Cassette 1. Harlow, Longman, 1999, 1999.
MLA引文Cunningham S. Sarah 与 Moor P. Peter. Cutting Edge. Upper Intermediate: Class Cassette 1. Harlow, Longman, 1999, 1999.
警告：这些引文格式不一定是100％准确.