- Author: Nigel Hall, Anne Robinson
- Language: English
- Year: 2013
- Author: Karen H Lyons Terry Hokenstad Manohar Pawar Nathalie Huegler Nigel Hall
- Language: English
- Year: 2012
- Author: David Barton Nigel Hall
- Language: English
- Year: 2000
- Author: David Barton Nigel Hall
- Language: English
- Year: 2000