Cabreza, V. (2008). PMA alumni seek to abolish protector clause. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCabreza, Vincent. "PMA Alumni Seek to Abolish Protector Clause." Philippine Daily Inquirer 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCabreza, Vincent. "PMA Alumni Seek to Abolish Protector Clause." Philippine Daily Inquirer, 2008.
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