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.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.