World Bank & Public-Private Infrastructure Advisory Facility. (2000). Private solutions for infrastructure. World Bank : Public-Private Infrastructure Advisory Facility.
Chicago-referens (17:e uppl.)World Bank och Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. Washington, D.C.: World Bank : Public-Private Infrastructure Advisory Facility, 2000.
MLA-referens (9:e uppl.)World Bank och Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. World Bank : Public-Private Infrastructure Advisory Facility, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.