Lim Lay Na. (2007). GCE 'O' level additional mathematics. Singapore: Redsport Publishing.
Chicago Style CitationLim Lay Na. GCE 'O' Level Additional Mathematics. Singapore: Redsport Publishing, 2007.
MLA CitationLim Lay Na. GCE 'O' Level Additional Mathematics. Singapore: Redsport Publishing, 2007.
Warning: These citations may not always be 100% accurate.