Singer, Paula M., author
[American Management Association, ], 2009
eBooks
Evans, G. Edward, 1937-, author
Libraries, 2005
Buku Teks
Evans, G. Edward, 1937-, author
Libraries Unlimited, 2000
Buku Teks
Artikel Jurnal
Katz, William A., 1924-, author
Holt, Rinehart and Winston, 1979
Buku Teks