Borja, A. (2003). WB official confirms reports on air pollution level in Baguio. Manila Bulletin.
芝加哥风格引文Borja, Adam. "WB Official Confirms Reports on Air Pollution Level in Baguio." Manila Bulletin 2003.
MLA引文Borja, Adam. "WB Official Confirms Reports on Air Pollution Level in Baguio." Manila Bulletin, 2003.
警告：这些引文格式不一定是100％准确.