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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.
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