Delfin, F. G., Jr. (2001). The national wealth tax on indigenous energy resources: Policy framework and implementation. Philippine Journal of Public Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDelfin, Francisco G., Jr. "The National Wealth Tax on Indigenous Energy Resources: Policy Framework and Implementation." Philippine Journal of Public Administration 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDelfin, Francisco G., Jr. "The National Wealth Tax on Indigenous Energy Resources: Policy Framework and Implementation." Philippine Journal of Public Administration, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.