National Economic and Development Authority. (1977). Annex to the five-year Philippine development plan, 1978-1982: Profiles of selected development projects. [National Economic Development Authority].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Economic and Development Authority. Annex to the Five-year Philippine Development Plan, 1978-1982: Profiles of Selected Development Projects. Manila: [National Economic Development Authority], 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Economic and Development Authority. Annex to the Five-year Philippine Development Plan, 1978-1982: Profiles of Selected Development Projects. [National Economic Development Authority], 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.