Duckett, Bob
Facet Publishing, 2004
Buku Teks
David R. Lankes ... [and others]
Facet Publishing, 2006
Buku Teks
Yates, Rochelle
Library Professional Publications, 1986
Buku Teks
Jerrard, Jane
American Management Association, 2009
eBooks
Owen, Tim Buckley, 1948-
Facet Publishing, 2006
Buku Teks