Sherfan, A. D. (1976). The Yakans of Basilan Island: Another unknown and exotic tribe of the Philippines. Fotomatic (Phils.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSherfan, Andrew Dib. The Yakans of Basilan Island: Another Unknown and Exotic Tribe of the Philippines. Cebu City: Fotomatic (Phils.), 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSherfan, Andrew Dib. The Yakans of Basilan Island: Another Unknown and Exotic Tribe of the Philippines. Fotomatic (Phils.), 1976.
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