APA (7 वां संस्करण) प्रशस्ति पत्र

(2003). June 23: DFA's 105th anniversary : RP's foreign policy : a pillar of strong republic. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"June 23: DFA's 105th Anniversary : RP's Foreign Policy : A Pillar of Strong Republic." Philippine Star 2003.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"June 23: DFA's 105th Anniversary : RP's Foreign Policy : A Pillar of Strong Republic." Philippine Star, 2003.