Skitek, Gabriel G.
Prentice-Hall, 1982
Buku Teks
Mierczynki, Janusz, author
CRC Press, 2008
Buku Teks
Verhulst, Ferdinand, author
Springer-Verlag , 1989
Buku Teks
Oden, J. Tinsley (John Tinsley), 1936-, author
John Wiley & Sons, 1976
Buku Teks
Luo, Albert C.J., author
Springer, 2012
eBooks