Garafil, E. (1994). Abu Sayyaf leader held captive - AFP. Manila Chronicle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGarafil, Eric. "Abu Sayyaf Leader Held Captive - AFP." Manila Chronicle 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGarafil, Eric. "Abu Sayyaf Leader Held Captive - AFP." Manila Chronicle, 1994.
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