Toister, Jeff, author
[American Management Association;;;, ], 2013
eBooks
Katcher, Bruce Leslie, author
American Management Association, 2007
eBooks
Seligman, Eustace, author
New York University Press, 1956.
Buku Teks
Sant, Tom, author
American Management Association, 2006
eBooks
Coon, Horace
A Signet Key Book, 1954
Buku Teks