Gaya APA
Youngseon, JO. (2016).
Why? Social Network Service .
Elex Media Komputindo:
.
Gaya Chicago
Youngseon, JO.
Why? Social Network Service.
Elex Media Komputindo:
,
2016.
Text.
Gaya MLA
Youngseon, JO.
Why? Social Network Service.
Elex Media Komputindo:
,
2016.
Text.
Gaya Turabian
Youngseon, JO.
Why? Social Network Service.
Elex Media Komputindo:
,
2016.
Print.