Coy, David V., author
Longram, 1989
Buku Teks
Sherman, Eliot H., author
[American Management Association;, ], 2011
eBooks
Fields, Edward, author
[American Management Association, ], 2002
eBooks
Fields, Edward, author
[American Management Association;, ], 2011
eBooks
Harvard Business School Press, 2003
Buku Teks