Asain, C. A. Preparing the groundwork for a Mindanao-Sulu histography. [article].
芝加哥风格引文Asain, Calbi A. Preparing the Groundwork for a Mindanao-Sulu Histography. [article].
MLA引文Asain, Calbi A. Preparing the Groundwork for a Mindanao-Sulu Histography. [article].
警告：这些引文格式不一定是100％准确.