Villanueva, S. J. (1993). Creatures of Philippine lower mythology.
芝加哥风格引文Villanueva, Samuel J. Creatures of Philippine Lower Mythology. Thesis (BFA)--University of the Philippines Diliman, 1993.
MLA引文Villanueva, Samuel J. Creatures of Philippine Lower Mythology. 1993.
警告：这些引文格式不一定是100％准确.