Novisti Press, [date of publication not identified]
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks
Stone, Florence M., author
[American Management Association, ], 2003
eBooks
Newell, Michael W., author
[American Management Association;, ], 2004
eBooks
McCrea, Bridget, author
[American Management Association;, ], 2005
eBooks