Butler, Robert Brown
McGraw-Hill, 2002
Buku Teks
Urbaniec, K
John Wiley & Sons, 1986
Buku Teks
John, Peter William Meredith
Society for Industrial and Applied Mathematics, 1998
eBooks
Ashby, M. F. (Michael F.), author
Elsevier, 2014
Buku Teks
Comer, David J.
Addison-Wesley, 1981
Buku Teks