Ismail Haji Ahmad. (2001). Kajian keberkesanan dasar anti dadah Malaysia.
Chicago Style (17th ed.) CitationIsmail Haji Ahmad. Kajian Keberkesanan Dasar Anti Dadah Malaysia. 2001.
MLA (8th ed.) CitationIsmail Haji Ahmad. Kajian Keberkesanan Dasar Anti Dadah Malaysia. 2001.
Warning: These citations may not always be 100% accurate.