Osborne, Starr C., author
[American Management Association;, ], 2010
eBooks
Remley, Jim, author
American Management Association;, 2008
eBooks
Davis, Sid, author
[American Management Association, ], 2005
eBooks
Monaghan, Pat
Fairchild , 1948
Buku Teks
Kratovil, Robert
Prentice-Hall, 1982
Buku Teks