Dominikus Juju, author
Elex Media Komputindo, 2008
Buku Teks
McGraw-Hill , 1996
Buku Teks
Bradley, Phil, author
Library Association, 2002
Buku Teks
Olinsky, Sheryl, author
Prentice-Hall, 1998
Buku Teks
Nelson, Stephen L., author
Elex Media Komputindo , 1996
Buku Teks