Gaya APA

Singgih, Y. (2017). Never Too Young To Become a Billionaire (Cet. V). JAKARTA: GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

Singgih, Yasa. "Never Too Young To Become a Billionaire". Cet. V JAKARTA: GRAMEDIA PUSTAKA UTAMA, 2017. Text.