APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Ashadi Zain and Sharuddin Abdullah. 166 Tip Jurujual Efektif. Kuala Lumpur: PTS Professional Publishing, 2005.

MLA (9th ed.) Citation

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