Hopgood, F.R.A., author
Macdonald, 1969
Buku Teks
Aho, Alfred V., author
Addison-Wesley, 1976
Buku Teks
Aho, Alfred V., author
Prentice-Hall, 1973
Buku Teks
Hopgood, F.R.A., author
Macdonald , 1971
Buku Teks
Treamblay, Jean-Paul, author
McGraw-Hill, 1982
Buku Teks