Atencio, J. C. (1997). Puerto Azul ferry service launched. Manila Bulletin.
芝加哥风格引文Atencio, Joel C. "Puerto Azul Ferry Service Launched." Manila Bulletin 1997.
MLA引文Atencio, Joel C. "Puerto Azul Ferry Service Launched." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.