Thomsett, Michael C., author
American Management Association;;, 2007
eBooks
Hira, Ron, author
American Management Association, 2008
eBooks
Jones, Frank H., author
W. Heffer & Sons, 1972
Buku Teks
Brenda Rapp
Psychology Press, 2001
Buku Teks
edited by Brenda Rapp
Taylor and Francis, 2001
Buku Teks