Angelakos, Diogenes J.,
McGraw-Hill, 1968
Buku Teks
Pelton, Joseph N., author
Mt.Airy, Maryland Lomond Books , 1974
Buku Teks
Proakis, John G., author
McGraw-Hill, 1995
Buku Teks
Betti, Silvello, author
John Wiley & Sons, 1995
Buku Teks
Vandome, Nick, author
Financial World, 2012
Buku Teks