Sparks, Jon, author
Elex Media Komputindo, 2013
Buku Referensi
Vandome, Nick
Mixed Sources, 2011
Buku Teks
Lin, Wen C., author
CRC Press, 1986
Buku Referensi
Irwan Prasetya Gunawan, author
Universitas Multimedia Nusantara, Center for New Media ICT Research, 2010
Artikel Jurnal
edited by Diane Kresh
American Library association, 2007
eBooks