Villegas, A. D. (1963). A national library. University of the Philippines.
芝加哥风格引文Villegas, Aurora D. A National Library. Quezon City: University of the Philippines, 1963.
MLA引文Villegas, Aurora D. A National Library. University of the Philippines, 1963.
警告：这些引文格式不一定是100％准确.