Biography. (1990). Their blood came out singing: Three heroes. Philippine Collegian.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBiography. "Their Blood Came Out Singing: Three Heroes." Philippine Collegian 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBiography. "Their Blood Came Out Singing: Three Heroes." Philippine Collegian, 1990.
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