Fresnoza, F. P., & Casim, C. P. (1964). Essentials of the Philippine educational system (Rev. ed. 1964.). Abiva Pub. House.
Lua i Stíl Chicago (17ú heag.)Fresnoza, Florencio P., agus Canuto P. Casim. Essentials of the Philippine Educational System. Rev. ed. 1964. Manila: Abiva Pub. House, 1964.
Lua MLA (9ú heag.)Fresnoza, Florencio P., agus Canuto P. Casim. Essentials of the Philippine Educational System. Rev. ed. 1964. Abiva Pub. House, 1964.
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