Illo, J. F. I., Ofreneo, R. P., & Aganon, M. A. (2002). Carrying the burden of the world (Updated edition.). U. P. Center for Integrative and Development Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIllo, Jeannie Frances I., Rosalinda Pineda Ofreneo, और Marie A. Aganon. Carrying the Burden of the World. Updated edition. Quezon City: U. P. Center for Integrative and Development Studies, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIllo, Jeannie Frances I., et al. Carrying the Burden of the World. Updated edition. U. P. Center for Integrative and Development Studies, 2002.
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