APA (7 वां संस्करण) प्रशस्ति पत्र

(1999). Corporate takeover operations of SSS, GSIS to be probed. Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Corporate Takeover Operations of SSS, GSIS to Be Probed." Manila Bulletin 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Corporate Takeover Operations of SSS, GSIS to Be Probed." Manila Bulletin, 1999.