Espinoza, L. M. (1978). The Commission on Elections and Philippine political modernization [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-viite (17. p.)Espinoza, Lourdes Martinez. The Commission on Elections and Philippine Political Modernization [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1978.
MLA-viite (9. p.)Espinoza, Lourdes Martinez. The Commission on Elections and Philippine Political Modernization [microform]. Photoduplication Service, University of the Philippines Library, 1978.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.