Gaya APA
Riyanto, . (2012).
Serba Gratis E-Mail, Messenger, Blog, Domain, Hosting, CMS for Blog dan E-Commerce (-).
Yogyakarta:
Gava Media.
Gaya MLA
Riyanto, .
"Serba Gratis E-Mail, Messenger, Blog, Domain, Hosting, CMS for Blog dan E-Commerce".
-
Yogyakarta:
Gava Media,
2012.
Text.