Philippines. National Economic and Development Authority. (1992). ODA handbook: Guidelines on the availment of official development assistance. National Economic and Development Authority.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. National Economic and Development Authority. ODA Handbook: Guidelines on the Availment of Official Development Assistance. [Makati, Metro Manila: National Economic and Development Authority, 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. National Economic and Development Authority. ODA Handbook: Guidelines on the Availment of Official Development Assistance. National Economic and Development Authority, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.