APA (7th ed.) Citation

Ashadi Zain & Sharuddin Abdullah. (2005). 166 tip sales efektif. PTS Professional.

Chicago Style (17th ed.) Citation

Ashadi Zain and Sharuddin Abdullah. 166 Tip Sales Efektif. Bentong, Pahang: PTS Professional, 2005.

MLA (8th ed.) Citation

Ashadi Zain and Sharuddin Abdullah. 166 Tip Sales Efektif. PTS Professional, 2005.

Warning: These citations may not always be 100% accurate.