APA Style

Ridwansyah, H, K, A. (2014). Wow Selling, Salespeople Are The Real Marketeers . Jakarta: PT Gramedia Pustaka Utama.

MLA Style

Ridwansyah, Hermawan, Katrajaya,, Ardhi. "Wow Selling, Salespeople Are The Real Marketeers". Jakarta: PT Gramedia Pustaka Utama, 2014. Text.