APA Style
Yenne, B.
(2005).
100 Keajaiban alam dunia=(100 Natural Wonders of The World)
.
Jakarta:
Karisma.
MLA Style
Yenne, Bill.
"100 Keajaiban alam dunia=(100 Natural Wonders of The World)".
Jakarta:
Karisma,
2005.
Buku SMA Athalia.