Unite, B. K. 1st earthquake-resistant bridge starts construction in Surigao. Manila Bulletin.
芝加哥风格引文Unite, Betheena Kae. "1st Earthquake-resistant Bridge Starts Construction in Surigao." Manila Bulletin .
MLA引文Unite, Betheena Kae. "1st Earthquake-resistant Bridge Starts Construction in Surigao." Manila Bulletin, .
警告：这些引文格式不一定是100％准确.