Mansfield, Richard, author
Elex Media Komputindo, 2002
Buku Teks
Tracton, Ken, author
Tab Books , 1980
Buku Teks
Ruckdeschel, F.R., author
McGraw-Hill, 1981
Buku Teks
O`Malley, Timothy J., author
Tab Books, 1983
Buku Teks
Albrecht, Robert L.
John Wiley , 1978
Buku Teks SO