Rai, Suresh, author
Calif IEEE Computer Society Press , 1990
Buku Teks
Weitzman, Cay, author
Prentice-Hall, 1980
Buku Teks
Bradley, Phil, author
Aslib, 2000
Buku Teks
Hall. James A, author
Thomson/South-Western, 2005
Buku Teks
Booth, Grayce M., author
McGraw-Hill, 1981
Buku Teks