(2002). Bulacan 1st province to adopt unified health system. Manila Times.
芝加哥风格引文"Bulacan 1st Province to Adopt Unified Health System." Manila Times 2002.
MLA引文"Bulacan 1st Province to Adopt Unified Health System." Manila Times, 2002.
警告：这些引文格式不一定是100％准确.