Lazaro, G. R. (1958). A brief history of the U.P. preparatory high school. Education Quarterly.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLazaro, Guillermo R. "A Brief History of the U.P. Preparatory High School." Education Quarterly 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLazaro, Guillermo R. "A Brief History of the U.P. Preparatory High School." Education Quarterly, 1958.
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