Addison-Wesley, 1986
Buku Teks
Harmon, Paul
John Wiley & Sons, 1985
Buku Teks SO
Alty, J.L.
NCC Publications, 1984
Buku Teks
edited by, Frederick Hayes-Roth, Donald A. Waterman and Douglas Lenat
Addison-Wesley, 1983
Buku Teks
Shapiro, Alen D.
Addison-Wesley, 1987
Buku Teks