Kennedy, James H., author
Pierian Press, 1984
Buku Referensi
Mann, Thomas, author
Oxford University Press, 1998
Buku Teks
Bryant, David, author
Connecticut Library Professional, 1987
Buku Teks
Brundage, Anthony, 1938-, author
John Wiley & Sons, Inc., 2018
Buku Teks
Kahn, Miriam B., author
[American Library association;American Library association, American Library association], 2004
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