McKillup, Steve, author
Cambridge University Press, 2011
Buku Teks
Hansen, Kermit O., author
Prentice-Hall, 1955
Buku Teks
Hoel, Paul Gerhard, 1905-, author
John Wiley and Sons, 1962
Buku Teks
Hanna, Frank A.
Department of Commerce 1959, 1959
Buku Teks
Fox, William
MicroCase Coorporation, 1995
Buku Teks