Gaya APA
Singgih, Y.
(2018).
Never too young to become a billionaire
(
Cet. 6)
.
Jakarta:
PT. Gramedia.
Gaya MLA
Singgih, Yasa.
"Never too young to become a billionaire".
Cet. 6
Jakarta:
PT. Gramedia,
2018.
Text.