Monger, Rod F., author
The Free Press, 1988
Buku Teks
Roze, Maris, author
Houghton Miffiln, 1980
Buku Teks
Zweifel, Thomas D., author
Selectbooks, 2009
Buku Teks
Cook, Thomas A., author
American Management Association, 2004
eBooks
Cook, Thomas A., author
[American Management Association;, ], 2012
eBooks