Unite, B. K. 1st earthquake-resistant bridge starts construction in Surigao. Manila Bulletin.
Dyfyniad Arddull ChicagoUnite, Betheena Kae. "1st Earthquake-resistant Bridge Starts Construction in Surigao." Manila Bulletin .
Dyfyniad MLAUnite, Betheena Kae. "1st Earthquake-resistant Bridge Starts Construction in Surigao." Manila Bulletin, .
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.