Woolls, Blanche
Libraries Unlimited Inc , 1990
Buku Teks
Blowers, Helene
[American Library association, American Library association], 2004
eBooks
Kirkpatrick, Donald L.
Berrett-Koehler, 2005
Buku Teks
Davies, Ruth Ann
R. R. Bowker, 1979
Buku Teks
Erikson, Rolf
[American Library association;, ], 2007
eBooks