Frost, Arthur A., author
John Wiley & Sons, 1961
Buku Teks
Logan, S.R.
Longman, 1996
Buku Teks
Steinfeld, Jeffrey I., author
Prentice-Hall, 1999
Buku Teks
Billing, Gert D., author
John Wiley & Sons, 1997
Buku Teks
Brezonik, Patrick L., author
Lewis Publishers, 1994
Buku Teks