APA (7 वां संस्करण) प्रशस्ति पत्र

Santiago-Felipe, V. R. (1981). UP Concert Chorus brings 'Magic' of song to Aberedeen Festival. Bulletin Today.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Santiago-Felipe, Vilma R. "UP Concert Chorus Brings 'Magic' of Song to Aberedeen Festival." Bulletin Today 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Santiago-Felipe, Vilma R. "UP Concert Chorus Brings 'Magic' of Song to Aberedeen Festival." Bulletin Today, 1981.