Cendaña, P. (1998). UP student council opposes CPDP. IN Letters [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)Cendaña, Percival. "UP Student Council Opposes CPDP. IN Letters [column]." Philippine Daily Inquirer 1998.
MLA-viite (9. p.)Cendaña, Percival. "UP Student Council Opposes CPDP. IN Letters [column]." Philippine Daily Inquirer, 1998.
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