Freeman, Peter H., author
IEEE Computer Society, 1984
Buku Teks
Rader, Robert J., author
PBI, 1978
Buku Teks
edited by J. Blank and M.J. Krijger
John Wiley & Sons, 1983
Buku Teks
Basili, Victor R., author
IEEE, 1975
Buku Teks
Heckel, Paul, author
Sybex, 1991
Buku Teks