Carpio, A. A. (2009). Kaspersky beef up offerings. Philippine Graphic.
芝加哥风格引文Carpio, Alma Anonas. "Kaspersky Beef Up Offerings." Philippine Graphic 2009.
MLA引文Carpio, Alma Anonas. "Kaspersky Beef Up Offerings." Philippine Graphic, 2009.
警告：这些引文格式不一定是100％准确.