Gaya APA
Facebook situs social networking bernilai 15 milyar dolar. (2009).
Yogyakarta:
B First.
Gaya Chicago
Facebook situs social networking bernilai 15 milyar dolar.
.
Yogyakarta:
B First,
2009.
Text.
Gaya MLA
Facebook situs social networking bernilai 15 milyar dolar.
.
Yogyakarta:
B First,
2009.
Text.
Gaya Turabian
Facebook situs social networking bernilai 15 milyar dolar.
Yogyakarta:
B First,
2009.
Print.