Zaide, G. F., & Barba, T. M. (1977). The constitution of the Philippines: History, chronology, and text [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationZaide, Gregorio F., and Tomas M. Barba. The Constitution of the Philippines: History, Chronology, and Text [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA (9th ed.) CitationZaide, Gregorio F., and Tomas M. Barba. The Constitution of the Philippines: History, Chronology, and Text [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.