APA (7 वां संस्करण) प्रशस्ति पत्र

Villadolid, A. C. (1998). Study pinpoints turning points in RP media history. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Villadolid, Alice Colet. "Study Pinpoints Turning Points in RP Media History." Philippine Daily Inquirer 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Villadolid, Alice Colet. "Study Pinpoints Turning Points in RP Media History." Philippine Daily Inquirer, 1998.