Philippines. Ministry of Agrarian Reform & Regional Planning and Project Development Staff, Region III. (1979). Manang Sergia special development project: Barangay Bunga, Carranglan, Nueva Ecija. UNDP/FAO PHI/74/102 Expanded Assistance to the Agrarian Reform Programme.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Ministry of Agrarian Reform و Region III Regional Planning and Project Development Staff. Manang Sergia Special Development Project: Barangay Bunga, Carranglan, Nueva Ecija. Manila: UNDP/FAO PHI/74/102 Expanded Assistance to the Agrarian Reform Programme, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Ministry of Agrarian Reform و Region III Regional Planning and Project Development Staff. Manang Sergia Special Development Project: Barangay Bunga, Carranglan, Nueva Ecija. UNDP/FAO PHI/74/102 Expanded Assistance to the Agrarian Reform Programme, 1979.