Gaya APA

Wongso, A. (2010). The Power of 60 SMS (Simple Motivation for Success) Seri 1 (-). Jakarta: Action & Wisdom Publishing.

Gaya MLA

Wongso, Andrie. "The Power of 60 SMS (Simple Motivation for Success) Seri 1". - Jakarta: Action & Wisdom Publishing, 2010. Text.