(2002). DOH starts training hilots in Cordillera. Philippine Daily Inquirer.
Chicago Style aipamena"DOH Starts Training Hilots in Cordillera." Philippine Daily Inquirer 2002.
MLA aipamena"DOH Starts Training Hilots in Cordillera." Philippine Daily Inquirer, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.