Gatdula, D. (2005). Portfolio investments near $2 B in 8 months. Philippine Star.
芝加哥风格引文Gatdula, Donnabelle. "Portfolio Investments Near $2 B in 8 Months." Philippine Star 2005.
MLA引文Gatdula, Donnabelle. "Portfolio Investments Near $2 B in 8 Months." Philippine Star, 2005.
警告：这些引文格式不一定是100％准确.