Gaya APA
Riyanto, . (2012).
Serba Gratis E-mail, Messenger, Blogging, Domain, Hosting, CMS For Blog & E-Commerce (1).
Yogyakarta:
Gava Media.
Gaya MLA
Riyanto, .
"Serba Gratis E-mail, Messenger, Blogging, Domain, Hosting, CMS For Blog & E-Commerce".
1
Yogyakarta:
Gava Media,
2012.
Buku Analog.