Allardo, B. J. I. BitDefender Internet Security 2008. PC World Philippines.
芝加哥风格引文Allardo, Billy Joe I. "BitDefender Internet Security 2008." PC World Philippines .
MLA引文Allardo, Billy Joe I. "BitDefender Internet Security 2008." PC World Philippines, .
警告：这些引文格式不一定是100％准确.