Belo, V. (2002). The fountain of youth can be found in your mind. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBelo, Victoria. "The Fountain of Youth Can Be Found in Your Mind." Manila Bulletin 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBelo, Victoria. "The Fountain of Youth Can Be Found in Your Mind." Manila Bulletin, 2002.
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