John, Vernon, author
Macmillan, [Date of publication not identified]
Buku Teks
Chawla, Krishan K, author
Springer, 2012
eBooks
Smallman, R.E., author
Butterworth-Heinemann, 1995
Buku Teks
Schackelford, James F.
New York : CRC Press, 2000,
Buku Referensi
Shackelford, James F., author
CRC Press, 2001
Buku Referensi