Gaya APA

Ramadhan, A. et al (2016). Play Bigger : How Pirates, Dreamers, and Innovators Create and Dominate Markets . New York: Harper Business.

Gaya MLA

Ramadhan, Al. et al. "Play Bigger : How Pirates, Dreamers, and Innovators Create and Dominate Markets". New York: Harper Business, 2016. Text.