Ongpin, R. (1997). Who really pulled trigger on my father? Philippine Daily Inquirer.
Chicago-viite (17. p.)Ongpin, Rafael. "Who Really Pulled Trigger on My Father?" Philippine Daily Inquirer 1997.
MLA-viite (9. p.)Ongpin, Rafael. "Who Really Pulled Trigger on My Father?" Philippine Daily Inquirer, 1997.
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