Magrill, Rose Mary
American Library Association, 1989
Buku Teks
edited by Pamela S. Cenzer; Cynthia I. Gozzi
The Hawork Press , 1991
Buku Teks
Buescher, Hartmut
Nias Press, 2011
Buku Teks
Johnson, Peggy
[American Management Association, ], 2009
eBooks
Johnson, Peggy
American Library Association, 2014
Buku Teks