- Author: David Nunan, Julie Choi
- Language: English
- Year: 2010
- Author: David Nunan Roger Berry Vivien Berry
- Language: English
- Author: David Nunan Ronald Carter
- Language: English
- Year: 2001
- Author: David Nunan
- Language: English
- Year: 1992
- Author: David Nunan
- Language: English
- Year: 1991
- Author: David Nunan
- Language: English
- Year: 1989
- Author: David Nunan Roger Berry Vivien Berry
- Language: English
- Author: Caroline Linse David Nunan
- Language: English
- Year: 2005