Gaya APA
Wattles, W, D.
(2010).
Science Of Getting Rich
(
Ed I)
.
Jakarta:
Perum Balai Pustaka.
Gaya MLA
Wattles, Wallace, D..
"Science Of Getting Rich".
Ed I
Jakarta:
Perum Balai Pustaka,
2010.
Buku Non Fiksi.