APA (7 वां संस्करण) प्रशस्ति पत्र

(1998). Revised schedules of payment and reporting of contributions and loan repayments. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Revised Schedules of Payment and Reporting of Contributions and Loan Repayments." Philippine Star 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Revised Schedules of Payment and Reporting of Contributions and Loan Repayments." Philippine Star, 1998.