Macapanpan, T. H. (1976). The feasibility of establishing a consolidated power system for selected towns in the province of Abra [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Macapanpan, Tristan H. The Feasibility of Establishing a Consolidated Power System for Selected Towns in the Province of Abra [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Macapanpan, Tristan H. The Feasibility of Establishing a Consolidated Power System for Selected Towns in the Province of Abra [microform]. Photoduplication Service, University of the Philippines Library, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.