Tubeza, P. C. (2002). What happened to my promotion, NBI official ask. Philippine Daily Inquirer.
Chicago-viite (17. p.)Tubeza, Philip C. "What Happened to My Promotion, NBI Official Ask." Philippine Daily Inquirer 2002.
MLA-viite (9. p.)Tubeza, Philip C. "What Happened to My Promotion, NBI Official Ask." Philippine Daily Inquirer, 2002.
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