McKillup, Steve
Cambridge University Press, 2011
Buku Teks SO
Hansen, Kermit O.
Prentice-Hall, 1955
Buku Teks SO
Hoel, Paul Gerhard, 1905-
John Wiley & Sons, 1962
Buku Teks SO
Fox, William
MicroCase Coorporation, 1995
Buku Teks SO
McCormick, Thomas Carson, 1892-
McGraw-Hill, 1941
Buku Teks SO