Matthies, Leslie H.
John Wiley & Sons, 1976
Buku Teks
Heru Suhartanto
Fakultas Ilmu Komputer-UI, 2007
Buku Teks
Jackson, Michael C.
Plenum Press, 1991
Buku Teks
Beckett, John A.
Tata McGraw-Hill, 1975
Buku Teks
Schoderbek, Charles G.
Business Publications, 1980
Buku Teks