Rosenberg, Betty
Libraries Unlimited, 1982
Buku Referensi
Moyer, Jessica E.
[American Management Association, ], 2008
eBooks
Saricks, Joyce G.
[American Library association, ], 2005
eBooks
Artikel Jurnal
edited by Arthur Waldhorn, Olga S. Weber, Arthur Zeiger
R.R. Bowker, 1990
Buku Teks