Smith, Shawn
The HR Answer Book: An Indispensable Guide for Managers and Human Resources Professionals
Amacom, 2011
 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
American Management Association;, 2011
 eBooks
Sorenson, Ritch
Business and management communication : a guide book
Prentice-Hall, 2001
 Buku Referensi
Sikich, Geary W.
Emergency management planning handbook
McGraw-Hill, 1996
 Buku Referensi