Lacuarta, G. G. (1997). Some questions into Sampana's disappearance. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLacuarta, Gerald G. "Some Questions into Sampana's Disappearance." Philippine Daily Inquirer 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLacuarta, Gerald G. "Some Questions into Sampana's Disappearance." Philippine Daily Inquirer, 1997.
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