Winston, Patrick Henry, author
Addison-Wesley Publishing Comp., 1977
Buku Teks
Winston, Patrick Henry, author
Addison-Wesley Publishing Comp., 1984
Buku Teks
John Wiley & Sons, 1987
Buku Referensi
Chabris, Christopher F., author
Toppan, 1991
Buku Teks
Charniak, Eugene, author
Lawrence Erlbaum Associates, 1980
Buku Teks