Unite, B. 18-km Skyway stage 3 completed - Villa. IN National News. Manila Bulletin.
芝加哥风格引文Unite, Betheena. "18-km Skyway Stage 3 Completed - Villa. IN National News." Manila Bulletin .
MLA引文Unite, Betheena. "18-km Skyway Stage 3 Completed - Villa. IN National News." Manila Bulletin, .
警告：这些引文格式不一定是100％准确.