(2001). Consolidating procurement rules and procedure for all national government agencies, government-owned on controlled corporations and government financial institutions, and requiring the use of the government electronic procurement system. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Consolidating Procurement Rules and Procedure for All National Government Agencies, Government-owned on Controlled Corporations and Government Financial Institutions, and Requiring the Use of the Government Electronic Procurement System." Manila Times 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Consolidating Procurement Rules and Procedure for All National Government Agencies, Government-owned on Controlled Corporations and Government Financial Institutions, and Requiring the Use of the Government Electronic Procurement System." Manila Times, 2001.