Choong. (2006). Sains SPM KBSM. Cerdik Publications.
Chicago Style (17th ed.) CitationChoong. Sains SPM KBSM. Shah Alam: Cerdik Publications, 2006.
MLA (8th ed.) CitationChoong. Sains SPM KBSM. Cerdik Publications, 2006.
Warning: These citations may not always be 100% accurate.