Arias, P. R. (1999). Tutrtle islands as protected area proposed by DENR. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArias, Priscilla R. "Tutrtle Islands as Protected Area Proposed by DENR." Manila Bulletin 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रArias, Priscilla R. "Tutrtle Islands as Protected Area Proposed by DENR." Manila Bulletin, 1999.
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