Echiminada, P. (1999). DOH lost P 80 M to syndicate - Romualdez. Philippine Star.
芝加哥风格引文Echiminada, Perseus. "DOH Lost P 80 M to Syndicate - Romualdez." Philippine Star 1999.
MLA引文Echiminada, Perseus. "DOH Lost P 80 M to Syndicate - Romualdez." Philippine Star, 1999.
警告：这些引文格式不一定是100％准确.