Gaya APA
HARTANTO, J., Wei, W.
(2015).
The key to financial freedom:
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
HARTANTO, Joe., Wei, WEI,Tju.
"The key to financial freedom:".
Jakarta:
Gramedia Pustaka Utama,
2015.
Buku.