Siegel, Daniel M.
Cambridge University Press, 1991
Buku Teks
Zahn, Markus
John Wiley and Sons, 1979
Buku Teks
Sarwate, V. V., author
John Wiley and Sons, 1993
Buku Teks
Iskander, Magdy F.
Prentice-Hall, 1992
Buku Teks
Paul, Clayton R., author
McGraw-Hill, 1982
Buku Teks