Wallis, W.D., author
Springer, 2012
eBooks
Rosen, Kenneth H., author
McGraw-Hill, 2013
Buku Teks
Fletcher, Peter, author
PWS-Kent, 1990
Buku Teks
Albertson, Michael O., author
John Wiley & Sons, 1988
Buku Teks
Strang, Gilbert, author
Wellesley Cambridge Press, 1986
Buku Referensi