Gaya APA
Jati, P, Y.
(2011).
Tips & Tricks Series Google SEO
(
I)
.
Yogyakarta:
Andi.
Gaya MLA
Jati, Paulus, Yesaya.
"Tips & Tricks Series Google SEO".
I
Yogyakarta:
Andi,
2011.
Book.