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