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. Selangor: 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.