Moder, Joseph J., author
Van Nostrand Reinhold, 1970
Buku Teks
Cleland, David I., author
McGraw-Hill , 2002
Buku Teks
Bolles, Dennis L., author
American Management Association, 2007
eBooks
Richman, Larry, author
American Management Association, 2006
eBooks
Newell, Michael W., author
[American Management Association;, ], 2004
eBooks