Crisostomo, I. T. (2001). Writing books is hard but rewarding. Philippine Star.
芝加哥风格引文Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star 2001.
MLA引文Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star, 2001.
警告：这些引文格式不一定是100％准确.