Todd, David Keith, author
John Wiley & Sons, 1980
Buku Teks
Charbeneau, Randall J, author
Prentice-Hall, 2005
Buku Teks
Walton, William C.
McGraw-Hill Kogakusha, Ltd., 1970
Buku Teks
Huisman, L.
Pitman Advanced Publishing Program, 1983
Buku Teks
Helmig, Rainer
Springer, 1997
Buku Teks