Angara, E. J. (1982). Commencement speeches: Information Office. University of the Philippines.
芝加哥风格引文Angara, Edgardo Javier. Commencement Speeches: Information Office. Quezon City: University of the Philippines, 1982.
MLA引文Angara, Edgardo Javier. Commencement Speeches: Information Office. University of the Philippines, 1982.
警告：这些引文格式不一定是100％准确.