Sauers, Michael P., author
Library Association Publishing, 2001
Buku Teks
Mitchell, Anne M., author
Neal-Schuman, 2005
Buku Teks
Patrick, Gay D., author
Neal-Schuman, 1992
Buku Referensi
Stein, Barbara L., author
Neal-Schuman, 1992
Buku Referensi
Arthur, Diane, author
[American Management Association, ], 2012
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