Miller, Dick R., author
[American Library association, American Library association], 2004
eBooks
Meyers, Fred E., author
Prentice-Hall, c1992
Buku Teks
Timothy W. Luke
Sense, 2012
eBooks
Cerny, Rosanne, author
[American Library association, American Library association], 2006
eBooks
Bayer, Michael, author
McGraw-Hill, 2000
Buku Teks