McLachlan, Dan
Prentice-Hall, 1968
Buku Teks
Mayer, Joseph Edward, author
John Wiley & Sons, 1977
Buku Teks
Balakrishnan, V., author
CRC Press, 2008
Buku Teks
Akhiezer, A.I., author
Pergamon Press , 1981
Buku Teks
Bowler, M.C., author
Pergamon Press, 1982
Buku Teks