Masangkay, N. V. (1973). Perceived values of modern mathematics of selected teachers in the Division Occidental Mindoro. [s.n.].
Lua i Stíl Chicago (17ú heag.)Masangkay, Nicolas Villamar. Perceived Values of Modern Mathematics of Selected Teachers in the Division Occidental Mindoro. Quezon City: [s.n.], 1973.
Lua MLA (9ú heag.)Masangkay, Nicolas Villamar. Perceived Values of Modern Mathematics of Selected Teachers in the Division Occidental Mindoro. [s.n.], 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.