Sumilong, F. P., & Silao, F. B. (1970). A Summary of laws and regulations affecting Philippine National-Local government relations. Local Government Center University of the Philippines, College of Public Administration.
Chicago-referens (17:e uppl.)Sumilong, Fe Pagtakhan, och Federico B. Silao. A Summary of Laws and Regulations Affecting Philippine National-Local Government Relations. Manila: Local Government Center University of the Philippines, College of Public Administration, 1970.
MLA-referens (9:e uppl.)Sumilong, Fe Pagtakhan, och Federico B. Silao. A Summary of Laws and Regulations Affecting Philippine National-Local Government Relations. Local Government Center University of the Philippines, College of Public Administration, 1970.
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