1. Anthony, R.N., 1988. The Management Control Function. Harvard Business School, Boston.
2. Carr, J.D., 1997. Light touch regulation for the privatised bus industry. In: Preston, J. (Ed.), Proceedings of the Fifth International Conference on Competition and Ownership in Land Passenger Transport, Leeds, UK, May 1997.
3. Franchising and tendering;Cox;Transport Reviews,1998
4. European Commission, 1996. The citizen's network—fulfilling the potential of public passenger transport in Europe. Green Paper. Directorate-General VII Transport, Brussels.
5. European Commission, 1998. Developing the Citizen's Network, communication from the Commission to the Council, the European Parliament, the Committee of the Regions and the Economic and Social Committee. COM(1998)431, Directorate-General VII Transport, Brussels.