Punay, E. (2004). Pia Cayetano, brothers take oaths of office at Companeros tomb. Philippine Star.
芝加哥风格引文Punay, Eduardo. "Pia Cayetano, Brothers Take Oaths of Office at Companeros Tomb." Philippine Star 2004.
MLA引文Punay, Eduardo. "Pia Cayetano, Brothers Take Oaths of Office at Companeros Tomb." Philippine Star, 2004.
警告：这些引文格式不一定是100％准确.