McCarthy, M., & Michael McCarthy; Felicity O'Dell; Ellen Shaw. (1997). Vocabulary in use: Upper intermediate : reference and practice for students of North American English. Cambridge: New York, NY, USA,New York, NY, USA.

McCarthy, Michael, و Michael McCarthy; Felicity O'Dell; Ellen Shaw. Vocabulary in Use: Upper Intermediate : Reference and Practice for Students of North American English. Cambridge: New York, NY, USA,New York, NY, USA, 1997.

McCarthy, Michael, و Michael McCarthy; Felicity O'Dell; Ellen Shaw. Vocabulary in Use: Upper Intermediate : Reference and Practice for Students of North American English. Cambridge: New York, NY, USA,New York, NY, USA, 1997.