edited by Phillip L. Williams, Robert C. James and Stephen M. Roberts
John Wiley & Sons, 2000
eBooks
Tanenbaum, Albert
McGraw-Hill, 1951
Buku Teks SO
edited by Andreas Luch
Springer, 2012
eBooks
edited by Bryan Ballantyne, Timothy Marrs and Paul Turner
Macmillan, 1995
Buku Teks SO
Arnold, part of the Hodder Headline group, 2018
Majalah, Jurnal, Buletin