Donovan, Jeremey
McGraw-Hill, 2014
Buku Teks
Munter, Mary
Prentice-Hall, 2002
Buku Teks
Chan, Janis Fisher
[American Management Association;, ], 1999
eBooks
Mills, Harry
American Management Association, 2007
eBooks
Morrisey, George L.
Addison-Wesley, 1987
Buku Teks