Kendrick, Tom, author
American Management Association, 2004
eBooks
Kendrick, Tom, author
[American Management Association;, ], 2010
eBooks
Nokes, Sebastian, author
Pearson Education, 2007
Buku Teks
Samaras, Thomas T.
Prentice-Hall, 1979
Buku Teks
Lewis, James P., author
Amacom, 1997
Buku Teks