Gaya APA
-, ., Hermawan, C, W.
(2010).
Twitter best social networking
(
1)
.
Yogyakarta:
Andi ; Elcom.
Gaya MLA
-, ., Hermawan, C., Widya.
"Twitter best social networking".
1
Yogyakarta:
Andi ; Elcom,
2010.
Text.