Blazek, Ron, author
Libraries Unlimited, 2000
Buku Referensi
Jack O'Gorman, editor
[American Management Association, ], 2008
eBooks
Cassell, Kay Ann, author
Neal-Schuman, an imprint of the American Library Association, 2013
Buku Teks
Gates, Jean Key, author
McGraw-Hill, 1994
Buku Referensi
Samuel, Jerome, author
Yayasan Obor Indonesia, 2001
Buku Referensi