Gaya APA
RIyanto, . (2012).
Serba Gratis .E-Mail,Messenger,Blogging,Domain,Hosting,CMS For Blog & E- Commerce (cet 1).
Yogyakarta:
Gava Media.
Gaya MLA
RIyanto, .
"Serba Gratis .E-Mail,Messenger,Blogging,Domain,Hosting,CMS For Blog & E- Commerce".
cet 1
Yogyakarta:
Gava Media,
2012.
Text.