Gaya APA
Riyanto, . (2012).
Serba gratis E-Mail , messenger, blog, domain, hosting, CMS for blog and E-commerce (cet. 1).
Yogyakarta:
Gava Media.
Gaya MLA
Riyanto, .
"Serba gratis E-Mail , messenger, blog, domain, hosting, CMS for blog and E-commerce".
cet. 1
Yogyakarta:
Gava Media,
2012.
Text.