World Bank & Public-Private Infrastructure Advisory Facility. (2000). Private solutions for infrastructure. World Bank : Public-Private Infrastructure Advisory Facility.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Bank و Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. Washington, D.C.: World Bank : Public-Private Infrastructure Advisory Facility, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Bank و Public-Private Infrastructure Advisory Facility. Private Solutions for Infrastructure. World Bank : Public-Private Infrastructure Advisory Facility, 2000.