Leet, Kenneth M., author
McGraw-Hill, 2002
Buku Teks
Courant, R., author
Springer-Verlag, 1989
Buku Teks
Lorch, E.R.
W W Norton & Co.,, 1973
Buku Teks
Das, G.
McGraw-Hil Publishing , 1993
Buku Teks
Gallagher, Richard H., author
Prentice-Hall, 1975
Buku Teks