Intner, Sheila S., author
Libraries Unlimited, 1990
Buku Teks
Intner, Sheila S., author
Libraries Unlimited, 2001
Buku Teks
Walter, Virginia A., author
[American Library association;, ], 2001
eBooks
Hage, Christine Lind, author
[American Library association, American Library association], 2004
eBooks
R.R. Bowker, 1969
Buku Referensi