(1998). Thursday Evening Concert Series (The U.P. Singing Ambassadors). UP College of Music.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThursday Evening Concert Series (The U.P. Singing Ambassadors). Quezon City: UP College of Music, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThursday Evening Concert Series (The U.P. Singing Ambassadors). UP College of Music, 1998.
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