Philippines. Regional Land Use Committee. (1994). Regional physical framework plan, 1993-2022: Region I. Regional Land Use Committee, Regional Development Council : National Economic and Development Authority, Region I.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Regional Land Use Committee. Regional Physical Framework Plan, 1993-2022: Region I. [Manila]: Regional Land Use Committee, Regional Development Council : National Economic and Development Authority, Region I, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Philippines. Regional Land Use Committee. Regional Physical Framework Plan, 1993-2022: Region I. Regional Land Use Committee, Regional Development Council : National Economic and Development Authority, Region I, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.