(2008). Pinoys spending less on cell phone use amid economic difficulties. Philippine Star.
芝加哥风格引文"Pinoys Spending Less on Cell Phone Use Amid Economic Difficulties." Philippine Star 2008.
MLA引文"Pinoys Spending Less on Cell Phone Use Amid Economic Difficulties." Philippine Star, 2008.
警告：这些引文格式不一定是100％准确.