Philippines Department of Tourism. (2006). Davao Region situationer 2006. Department of Tourism Region XI.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines Department of Tourism. Davao Region Situationer 2006. Davao City: Department of Tourism Region XI, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines Department of Tourism. Davao Region Situationer 2006. Department of Tourism Region XI, 2006.
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