Khairul Nizam Zainal Badri. (2007). 20 jam mengenali eCRM. Venton Publishing (M) Sdn Bhd.
Chicago Style (17th ed.) CitationKhairul Nizam Zainal Badri. 20 Jam Mengenali ECRM. Batu Caves: Venton Publishing (M) Sdn Bhd, 2007.
MLA (9th ed.) CitationKhairul Nizam Zainal Badri. 20 Jam Mengenali ECRM. Venton Publishing (M) Sdn Bhd, 2007.
Warning: These citations may not always be 100% accurate.