Deming, Vasudha Kathleen, author
McGraw-Hill, 2004
Buku Teks
Segil, Larraine, author
[American Management Association, ], 2003
eBooks
Sharma, Robin, author
Free Press, 2010
Buku Teks
Levine, Stuart R., author
Simon and Schuster, 1993
Buku Teks
McHugh, Donald E., author
[American Management Association;, ], 2004
eBooks