Gaya APA
KURNIALI, S., YOEVESTIAN, W, [.
(2009).
Step by step facebook
.
Jakarta:
Gramedia.
Gaya MLA
KURNIALI, Sartika., YOEVESTIAN, Whindy, [ed.].
"Step by step facebook".
Jakarta:
Gramedia,
2009.
Buku.