References
- Deputy Prime Minister et al. 1998 . A New Deal for Transport: Better for Everyone , London : The Stationery Office . Cm 3950
- Deputy Prime Minister . 2003 . Sustainable Communities: Building for the Future , London : ODPM .
- Haas-Klau , C. , Crampton , G. and Benjari , R. 2004 . Economic Impact of Light Rail: The Results of 15 Urban Areas in France, Germany, UK and North America , Brighton : Environmental and Transport Planning .
- Wolmar , C. 2002 . Down the Tube—The Battle for London's Underground , London : Aurum Press .