Palm, William J., author
John Wiley & Sons, 1983
Buku Teks
Close, Charles M., author
John Wiley & Sons, 2002
Buku Teks
Shearer, J. Lowen, author
Prentice-Hall, 1997
Buku Teks
Ruth, Matthias, author
Springer, 1997
Buku Teks
Sinha, N. K., author
Van Nostrand Reinhold, 1983
Buku Teks