Microsoft MS-DOS: user's guide and reference for the MS-DOS operating system version 5.0
Phoenix Tech., 1991
 Buku Teks SO
Lin, Forest
The DOS coursebook
Scott/Jones, 1991
 Buku Teks SO
HX-Net Version 5.0
Chemical Engineering, Department of Gas and Petrochemical Engineering, Faculty of Engineering. University of Indonesia
 Buku Teks SO
Agarwal, Vidya Vrat
Beginning C# 5.0 databases
Springer, 2012
 eBooks
Kamin, Jonathan
Expert advisor: DOS: Up to and including DOS 4.0
Addison-Wesley Publishing , 1988
 Buku Teks SO