Dela Cruz, R. (2006). Duka Bay: An ecological business paradigan. Philippine Star.
芝加哥风格引文Dela Cruz, Rose. "Duka Bay: An Ecological Business Paradigan." Philippine Star 2006.
MLA引文Dela Cruz, Rose. "Duka Bay: An Ecological Business Paradigan." Philippine Star, 2006.
警告：这些引文格式不一定是100％准确.