Philippines. Commission on Audit. (2007). 2006 annual financial report: National government. COA.
Cita Chicago (17th ed.)Philippines. Commission on Audit. 2006 Annual Financial Report: National Government. Quezon City: COA, 2007.
Cita MLA (9th ed.)Philippines. Commission on Audit. 2006 Annual Financial Report: National Government. COA, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.