Andrew, A.M.
Artificial intelligence
Abacus Press, 1983
 Buku Teks
Rich, Elaine
Artificial intelligence
McGraw-Hill, 1983
 Buku Teks
Winston, Patrick Henry
Artificial intelligence
Addison-Wesley Publishing Comp., 1984
 Buku Teks
Winston, Patrick Henry
Artificial intelligence
Addison-Wesley Publishing Comp., 1977
 Buku Teks
Rich, Elaine
Artificial intelligence
New York: McGraw-Hill, c1991
 Buku Teks