Gaya APA
Riyanto, . (2012).
Serba Gratis ; Email, Messenger, blog, Domain, Hosting, CMS for Blog & e-Commerce .
Yogyakarta:
Gava Media.
Gaya MLA
Riyanto, .
"Serba Gratis ; Email, Messenger, blog, Domain, Hosting, CMS for Blog & e-Commerce".
Yogyakarta:
Gava Media,
2012.
Text.