Ingles, R. R. (2008). 1908: The way it really was : historical journal for the UP centennial, 1908-2008. University of the Philippines Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIngles, Raul Rafael. 1908: The Way It Really Was : Historical Journal for the UP Centennial, 1908-2008. Quezon City: University of the Philippines Press, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIngles, Raul Rafael. 1908: The Way It Really Was : Historical Journal for the UP Centennial, 1908-2008. University of the Philippines Press, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.