Pyzdek, Thomas
The six sigma handbook: a complete guide for green belts, black belts, and managersat all levels
McGraw-Hill, 2010
 Buku Teks
The six sigma black belt handbook
Tom McCarty..[et.al]
McGraw-Hill, 2005
 Buku Teks
Smith, Shawn
The HR answer book: an indispensable guide for managers and human resources professionals
American Management Association, 2004
 eBooks
Smith, Shawn
The HR Answer Book: An Indispensable Guide for Managers and Human Resources Professionals
Amacom, 2011
 Buku Teks
Gup, Benton E.
The Bank director's handbook: the board member's guide to banking & bank management
Richard D. Irwin, 1996
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