Lacuarta, G. G. (1997). Some questions into Sampana's disappearance. Philippine Daily Inquirer.
Chicago-viite (17. p.)Lacuarta, Gerald G. "Some Questions into Sampana's Disappearance." Philippine Daily Inquirer 1997.
MLA-viite (9. p.)Lacuarta, Gerald G. "Some Questions into Sampana's Disappearance." Philippine Daily Inquirer, 1997.
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