Gorman, Michael, author
American Library Association, 2003
Buku Teks
Gorman, Michael, author
[American Library association, ], 2003
eBooks
Boss, Richard W., author
G.K. Hall Publishers, 1987
Buku Teks
Rowley, Jennifer, author
Facet publishing, 2002
Buku Teks
McClure, Charles R., author
[American Management Association;, ], 2009
eBooks