Ong, C. B. H. (2002). Quality of tap water in 20 selected areas in Selangor / Christine Ong Boon Hwee.
芝加哥风格引文Ong, Christine Boon Hwee. Quality of Tap Water in 20 Selected Areas in Selangor / Christine Ong Boon Hwee. 2002.
MLA引文Ong, Christine Boon Hwee. Quality of Tap Water in 20 Selected Areas in Selangor / Christine Ong Boon Hwee. 2002.
警告：这些引文格式不一定是100％准确.