Puno, R. V. J. (1998). Quintos killings. IN My viewpoint [column]: Villarosa responds. Philippine Star.
芝加哥风格引文Puno, Ricardo V. Jr. "Quintos Killings. IN My Viewpoint [column]: Villarosa Responds." Philippine Star 1998.
MLA引文Puno, Ricardo V. Jr. "Quintos Killings. IN My Viewpoint [column]: Villarosa Responds." Philippine Star, 1998.
警告：这些引文格式不一定是100％准确.