Ong, L. I. (2008). Parents perception of quality preschool in Selangor.
Chicago Style (17th ed.) CitationOng, Lay Ing. Parents Perception of Quality Preschool in Selangor. 2008.
MLA引文Ong, Lay Ing. Parents Perception of Quality Preschool in Selangor. 2008.
警告：這些引文格式不一定是100％准確.