Ashadi Zain & Sharuddin Abdullah. (2005). 166 tips sales efektif. PTS Professional Publishing.
Chicago Style (17th ed.) CitationAshadi Zain and Sharuddin Abdullah. 166 Tips Sales Efektif. Kuala Lumpur: PTS Professional Publishing, 2005.
MLA (8th ed.) CitationAshadi Zain and Sharuddin Abdullah. 166 Tips Sales Efektif. PTS Professional Publishing, 2005.
Warning: These citations may not always be 100% accurate.