Gaya APA

Singgih, Y. (2015). Never Too Young To Become A Billionaire . Jl Palmerah Barat 29-37 Jakart: PT Elex Media Komputindo.

Gaya MLA

Singgih, Yasa. "Never Too Young To Become A Billionaire". Jl Palmerah Barat 29-37 Jakart: PT Elex Media Komputindo, 2015. Text.