Notre Dame of Jolo College & Rixhon, G. (1972). Sulu studies: Coordinated investigation of Sulu culture. Notre Dame of Jolo College.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNotre Dame of Jolo College और Gerard Rixhon. Sulu Studies: Coordinated Investigation of Sulu Culture. Jolo, Sulu: Notre Dame of Jolo College, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNotre Dame of Jolo College और Gerard Rixhon. Sulu Studies: Coordinated Investigation of Sulu Culture. Notre Dame of Jolo College, 1972.
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