World Bank. (2003). Country procurement assessment report: Philippines. Country Operations and Service Unit.
Cita Chicago (17th ed.)World Bank. Country Procurement Assessment Report: Philippines. Washington, D.C: Country Operations and Service Unit, 2003.
Cita MLA (9th ed.)World Bank. Country Procurement Assessment Report: Philippines. Country Operations and Service Unit, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.