Heggie, I. G. (1995). Management and financing of roads: An agenda for reform. World Bank.
Cita Chicago (17th ed.)Heggie, Ian Graeme. Management and Financing of Roads: An Agenda for Reform. Washington, D.C: World Bank, 1995.
Cita MLA (9th ed.)Heggie, Ian Graeme. Management and Financing of Roads: An Agenda for Reform. World Bank, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.