Gaya APA

Serba Gratis : E-Mail, Messenger, Blogging, Domain, Hosting, CMS for Blog & E-Commerce. (2012). New York: Universitas Negeri Yogyakarta.

Gaya MLA

Serba Gratis : E-Mail, Messenger, Blogging, Domain, Hosting, CMS for Blog & E-Commerce. cet. 1. New York: Universitas Negeri Yogyakarta, 2012. Text.