APA Style
Permana, I. (2015).
Sixty nine revolution : turn your earning from 6 digits to 9 digits .
Jakarta:
Elex Media Komputindo.
MLA Style
Permana, Indra.
"Sixty nine revolution : turn your earning from 6 digits to 9 digits".
Jakarta:
Elex Media Komputindo,
2015.
.