APA (7 वां संस्करण) प्रशस्ति पत्र

De Quiros, C. (2005). Letter. IN There's the rub [column]. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

De Quiros, Conrado. "Letter. IN There's the Rub [column]." Philippine Daily Inquirer 2005.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

De Quiros, Conrado. "Letter. IN There's the Rub [column]." Philippine Daily Inquirer, 2005.