References
- Association of Metropolitan Authorities and Passenger Transport Executive Group . 1988 . A Review of the First Year of Bus Deregulation.
- Association of Metropolitan Authorities and Passenger Transport Executive Group . 1989 . A Review of the Second Year of Bus Deregulation.
- Department of the Environment . 1983 . Streamlining the Cities (Cmnd 9063)
- West Midlands Passenger Transport Authority and Executive . 1988 . Report and Accounts 1987–88.