Demeterio, F. P. A., III. (2013). Status of and directions for "Filipino philosophy" in Zialcita, Timbreza, Quito, Abulad, Mabaquiao, Gripaldo, and Co. Philosophia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDemeterio, Feorillo Petronilo A., III. "Status of and Directions for "Filipino Philosophy" in Zialcita, Timbreza, Quito, Abulad, Mabaquiao, Gripaldo, and Co." Philosophia 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDemeterio, Feorillo Petronilo A., III. "Status of and Directions for "Filipino Philosophy" in Zialcita, Timbreza, Quito, Abulad, Mabaquiao, Gripaldo, and Co." Philosophia, 2013.
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