Papa, A. V. (2001). Man sentenced to death for killing UP professor. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPapa, Alarin V. "Man Sentenced to Death for Killing UP Professor." Philippine Daily Inquirer 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPapa, Alarin V. "Man Sentenced to Death for Killing UP Professor." Philippine Daily Inquirer, 2001.
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