Flores, Ivan
Prentice-Hall, 1967
Buku Teks
Pandit, Sudhakar M.
New York John Wiley and Sons 1983,
Buku Teks
Fishman, George S.
John Wiley & Sons, 1993
Buku Teks
Martin, James
Prentice-Hall, 1965
Buku Teks
Rothstein, Michael F.
Wiley-Interscience, 1970
Buku Teks