Ching, P. (1986). Public provision and demand for health services: A case study of Bicol. Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ching, Panfila. "Public Provision and Demand for Health Services: A Case Study of Bicol." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ching, Panfila. "Public Provision and Demand for Health Services: A Case Study of Bicol." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics), 1986.
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