edited by Herbert A. Simon
Englewood Cliffs, New Jersey Prentice-Hall 1972,
Buku Teks
Saret, Laura, author
McGraw-Hill, 1984
Buku Teks
Shneiderman, Ben, author
Massachusetts Winthrop Publishers, 1980
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1978
Buku Teks
Cook, Rohan, author
1985
Buku Teks