Camba, L. V. (1976). The role of the Government Service Insurance System in the improvement of the living conditions of the public elementary school teachers in Dagupan city [microform]. Photoduplication Service University of the Philippines Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Camba, Ligaya V. The Role of the Government Service Insurance System in the Improvement of the Living Conditions of the Public Elementary School Teachers in Dagupan City [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
Παραπομπή σε μορφή MLA (9th εκδ.)Camba, Ligaya V. The Role of the Government Service Insurance System in the Improvement of the Living Conditions of the Public Elementary School Teachers in Dagupan City [microform]. Photoduplication Service University of the Philippines Library, 1976.