Gaya APA
Khoo, A., Ponziani, R.
(2008).
Secrets of self-made millionaires
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Khoo, Adam., Ponziani, Riga.
"Secrets of self-made millionaires".
Jakarta:
Elex Media Komputindo,
2008.
Text.