ADIPA Seminar (1991 : University of the Philippines, Diliman), Ocampo, R. B., & Alfonso, O. M. (1995). Alternative delivery systems for public services: Health care, NGO's, Credit, cooperatives. Association of Development Research and Training Institutes of Asia and the Pacific.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रADIPA Seminar (1991 : University of the Philippines, Diliman), Romeo B. Ocampo, और Oscar M. Alfonso. Alternative Delivery Systems for Public Services: Health Care, NGO's, Credit, Cooperatives. [S.l.]: Association of Development Research and Training Institutes of Asia and the Pacific, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रADIPA Seminar (1991 : University of the Philippines, Diliman), et al. Alternative Delivery Systems for Public Services: Health Care, NGO's, Credit, Cooperatives. Association of Development Research and Training Institutes of Asia and the Pacific, 1995.