Coles, M. (1984). Pasig River arrastre service now under PPA. Bulletin Today.
芝加哥风格引文Coles, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today 1984.
MLA引文Coles, Manuel. "Pasig River Arrastre Service Now Under PPA." Bulletin Today, 1984.
警告：这些引文格式不一定是100％准确.