Bernardino, V., & Fresnoza, F. P. (1957). Principles of education (Revised and enlarged edition.). Abiva Pub. House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBernardino, Vitaliano, और Florencio P. Fresnoza. Principles of Education. Revised and enlarged edition. Manila: Abiva Pub. House, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBernardino, Vitaliano, और Florencio P. Fresnoza. Principles of Education. Revised and enlarged edition. Abiva Pub. House, 1957.
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