Owen, N. G. (1999). The Bikol blend: Bikolanos and their history. New Day Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOwen, Norman G. The Bikol Blend: Bikolanos and Their History. Quezon city, Philippines: New Day Publishers, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOwen, Norman G. The Bikol Blend: Bikolanos and Their History. New Day Publishers, 1999.
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