Asain, C. A. (2013). Cultural and historical sites and landmarks in Sulu and Tawi-tawi. Journal of History.
芝加哥风格引文Asain, Calbi A. "Cultural and Historical Sites and Landmarks in Sulu and Tawi-tawi." Journal of History 2013.
MLA引文Asain, Calbi A. "Cultural and Historical Sites and Landmarks in Sulu and Tawi-tawi." Journal of History, 2013.
警告：这些引文格式不一定是100％准确.