Evans, David R., author
Thomson, 2004
Buku Teks
Ivey, Allen E., author
Thomson, 2003
Buku Teks
Fraser, John Munro, author
MacDonald and Evans, 1966
Buku Teks
Arthur, Diane, author
[American Management Association, ], 2006
eBooks
Beshara, Tony, 1948- , author
American Management Association, 2012
eBooks