
- Author: Michael Dallas, Office of Government Commerce, Stephanie Clackworthy
- Language: English
- Year: 2010

- Author: Office of Government Commerce
- Language: English
- Year: 2002

- Author: Great Britain. Office of Government Commerce
- Language: English
- Year: 2011

- Author: Great Britain. Office of Government Commerce
- Language: English
- Year: 2011

- Author: OGC Office of Government Commerce
- Language: English
- Year: 2010

- Author: Office of Government Commerce (OGC)
- Language: English
- Year: 2009

- Author: Great Britain. Office of Government Commerce
- Language: English
- Year: 2007

- Author: Vernon Lloyd, Sharon Taylor, Stationery Office. ., Great Britain. Office of Government Commerce
- Language: English
- Year: 2011

- Author: Office of Government Commerce
- Language: English
- Year: 2007

- Author: Office of Government Commerce
- Language: English
- Year: 2007