Philippines. National Economic and Development Authority, Philippines. National Economic and Development Authority, Canadian International Development Agency, & United Nations Development Programme. (2005). Reference manual on project development and evaluation. National Economic and Development Authority.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. National Economic and Development Authority, Philippines. National Economic and Development Authority, Canadian International Development Agency, و United Nations Development Programme. Reference Manual on Project Development and Evaluation. [Pasig City]: National Economic and Development Authority, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. National Economic and Development Authority, et al. Reference Manual on Project Development and Evaluation. National Economic and Development Authority, 2005.