Corrall, Sheila, author
Library Association, 1999
Buku Referensi
William G. ASP....[et.al] author
The Shoe String Press , 1985
Buku Teks
Jossey-Bass, 1979
Buku Teks
Cobb, Jeff, author
[American Management Association, ], 2013
eBooks
Edited by Barrie Brennan
ACER, 1996
Buku Teks