Emerson, Brian, 1967- , author
American Management Association, 2008
eBooks
Jensen, Doug, author
American Management Association, 2007
eBooks
Groves, Patricia
Harper Collines Publishers , 1992
Buku Teks
Deming, Vasudha Kathleen, author
McGraw-Hill, 2004
Buku Teks
Institute of Management and Administration (IOMA)
John Wiley & Sons, 2006
Buku Teks