Ortega, R. G. (2002). Tarsier, named Rex, born in captivity in Sarangani. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrtega, Rex G. "Tarsier, Named Rex, Born in Captivity in Sarangani." Manila Times 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrtega, Rex G. "Tarsier, Named Rex, Born in Captivity in Sarangani." Manila Times, 2002.
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