Barnard, David T.
PL/1 programming problems and applications
Reston Publishing Company, Inc., 1982
Buku Teks SO
Morgan, Carroll, 1952-
Programming for specifications
Prentice-Hall, 1994
Buku Teks
Donovan, John J.
Systems programming
McGraw-Hill, 1972
Buku Teks
Maynard, Jeff
Modular programming
Butterworth, 1972
Buku Teks
Basili, Victor R.
Structured programming: tutorial
IEEE, 1975
Buku Teks