Coleman, Tina, author
[American Management Association, ], 2009
eBooks
Yates, Rochelle, author
Library Professional Publications, 1986
Buku Teks
Pavon, Ana-Elba, author
[American Library association, American Library association], 2003
eBooks
Eble, Kenneth E., author
Jossey-Bass, 1979
Buku Teks
Gannon, Michael, author
Prentice-Hall, 1982
Buku Referensi