IBM's system/390
Computer Technology Research Corp., 1991
 Buku Referensi
Germain, Clarence B.
Programming The IBM 360
Prentice-Hall, 1967
 Buku Teks SO
Price, Wilson T.
Elements of IBM 1130 programming
Rinehart Press, 1968
 Buku Teks SO
IBM dictionary of computing
edited by George McDaniel
McGraw-Hill, 1994
 Buku Referensi
Godfrey, J. Terry
Applied C: the IBM microcomputers
Prentice-Hall, 1990
 Buku Teks SO