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