Llanto, G. M. (1983). Tax revenue performance: Some implications. Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Llanto, Gilberto M. "Tax Revenue Performance: Some Implications." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Llanto, Gilberto M. "Tax Revenue Performance: Some Implications." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics), 1983.
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