World Bank & Public-Private Infrastructure Advisory Facility. (2000). Private solutions for infrastructure. World Bank : Public-Private Infrastructure Advisory Facility.
Lua i Stíl Chicago (17ú heag.)World Bank agus Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. Washington, D.C.: World Bank : Public-Private Infrastructure Advisory Facility, 2000.
Lua MLA (9ú heag.)World Bank agus Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. World Bank : Public-Private Infrastructure Advisory Facility, 2000.