Gaya APA
Singgih, Yasa. (2015).
Never too Young to Become a Billionaire .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Singgih, Yasa.
Never too Young to Become a Billionaire.
Jakarta:
Elex Media Komputindo,
2015.
Text.
Gaya MLA
Singgih, Yasa.
Never too Young to Become a Billionaire.
Jakarta:
Elex Media Komputindo,
2015.
Text.
Gaya Turabian
Singgih, Yasa.
Never too Young to Become a Billionaire.
Jakarta:
Elex Media Komputindo,
2015.
Print.