Ong, C. B. H. (2002). Quality of tap water in 20 selected areas in Selangor.
Chicago Style (17th ed.) CitationOng, Christine Boon Hwee. Quality of Tap Water in 20 Selected Areas in Selangor. 2002.
MLA引文Ong, Christine Boon Hwee. Quality of Tap Water in 20 Selected Areas in Selangor. 2002.
警告:这些引文格式不一定是100%准确.