Gaya APA

Sinek, S. et al (2017). Find your why : a Practical Guide for Discovering Purpose for You and Your Team (Cetakan 1). New York: Portofolio / Penguin.

Gaya MLA

Sinek, Simon. et al. "Find your why : a Practical Guide for Discovering Purpose for You and Your Team". Cetakan 1 New York: Portofolio / Penguin, 2017. Text.