edited by T. J. Harrison
Pergamon Press, 1980
Buku Teks
Bal, Henri, author
Prentice-Hall, 1990
Buku Referensi
Ceri, Stefano, author
McGraw-Hill, 1984
Buku Teks
Nutt, Gary J., author
Prentice-Hall, 1992
Buku Teks
Tanenbaum, Andrew S., 1944-, author
Prentice-Hall, 1995
Buku Teks