Strang, Gilbert, author
Wellesley-Cambridge, 1993
Buku Teks
Olver, Peter J., author
Prentice-Hall, 2006
Buku Teks
Hartley, B., author
Chapman and Hall, 1992
Buku Teks
Valenza, Robert J., author
Springer-Verlag, 2993
Buku Teks
Sloyer, Clifford W., author
Addison-Wesley, 1970
Buku Teks