Quercia, Valerie
X window system user's guide / by Valerie Quercia and Tim O?Reilly
O`Reilly and Associates, 1993
Buku Referensi
Brown, J. Robert
X Window programming from scratch
Que, 2000
Buku Teks SO
Bowles, Kenneth
Beginner's guide for the UCSD PASCAL system
Byte Books, 1980
Buku Teks SO
Ignizio, James P.
Introduction to expert systems: the development and implementation of rule-based expert systems
Prentice-Hall, 1991
Buku Teks SO
OSF/motif programmer's guide : revision 1.1
Prentice-Hall, 1991
Buku Teks SO