World Bank & Public-Private Infrastructure Advisory Facility. (2000). Private solutions for infrastructure. World Bank : Public-Private Infrastructure Advisory Facility.

World Bank and Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. Washington, D.C.: World Bank : Public-Private Infrastructure Advisory Facility, 2000.

World Bank and Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. World Bank : Public-Private Infrastructure Advisory Facility, 2000.