Caruth, Donald L., author
Praeger, 2009
Buku Teks
Gart, Alan
McGraw-Hill , 1984
Buku Teks
Katcher, Bruce L., author
[American Management Association;, ], 2010
eBooks
Rickertsen, Rick, author
[American Management Association, ], 2001
eBooks
Hilliard, Brooks L., author
Dow Jones-Irwin , 1984
Buku Teks