Vandome, Nick
Mixed Sources, 2011
Buku Teks
Lin, Wen C.
CRC Press, 1986
Buku Referensi
Irwan Prasetya Gunawan
Universitas Multimedia Nusantara, Center for New Media ICT Research, 2010
Artikel Jurnal
edited by Diane Kresh
American Library association, 2007
eBooks
Irzan Nurman Djaenalmutaqin, examiner
2009
UI - Tesis (Open)