Masangkay, N. V. (1977). Perceived values of modern mathematics of selected teachers in the Division Occidental Mindoro [microform]. Photoduplication Service. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Masangkay, Nicolas Villamar. Perceived Values of Modern Mathematics of Selected Teachers in the Division Occidental Mindoro [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Masangkay, Nicolas Villamar. Perceived Values of Modern Mathematics of Selected Teachers in the Division Occidental Mindoro [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.