McKillup, Steve
Cambridge University Press, 2011
Buku Teks
Hoel, Paul Gerhard, 1905-
John Wiley & Sons, 1962
Buku Teks
Hansen, Kermit O.
Prentice-Hall, 1955
Buku Teks
Fox, William
MicroCase Coorporation, 1995
Buku Teks
Johnson, Allan G.
McGraw-Hil, 1997
Buku Teks