Stein-Parbury, Jane, author
Churchill Livingstone, 2003
Buku Teks
Albritton, Rosie L., author
Cool Libraries, 1990
Buku Teks
Alexander, L.G., author
Longman, 1964
Buku Teks
Ellis, Carol W., author
[American Management Association, ], 2005
eBooks
edited by David Partington
Sage, 2002
Buku Teks