Springer, 2012
eBooks
Barr, Murray L., author
Harper and Row, 1983
Buku Teks
Noback, Charies, author
McGraw-Hill, 1981
Buku Teks
edited by J. Richard Jennings, Michael G.H. Coles
John Wiley & Sons, 1991
Buku Referensi
Stein, Donald G., author
MacMillan Press , 1974
Buku Teks