Delfin, F. G., Jr. (2001). The national wealth tax on indigenous energy resources: Policy framework and implementation. Philippine Journal of Public Administration.
Chicago Style (17. basım) AtıfDelfin, Francisco G., Jr. "The National Wealth Tax on Indigenous Energy Resources: Policy Framework and Implementation." Philippine Journal of Public Administration 2001.
MLA (9th ed.) AtıfDelfin, Francisco G., Jr. "The National Wealth Tax on Indigenous Energy Resources: Policy Framework and Implementation." Philippine Journal of Public Administration, 2001.
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