Apsanti Djokosuyatno, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1999
UI - Laporan Penelitian
Carlsen, G. Robert
Harper & Row, 1971
Buku Referensi
Kan, Katharine L., author
[American Library association, American Library association], 2006
eBooks
edited by Holly Koelling
American Library association, 2007
eBooks
Holley, Pam Spencer, author
[American Management Association, ], 2009
eBooks