Miller, William, author
Amacom, 2012
Buku Teks
Miller, William, author
American Management Association, 2012
eBooks
Miller, William, author
American Management Association, 2003
eBooks
Davies, liz, author
Learning Matters Ltd., 2008
Buku Teks
Fahrenheit, Fradhyt, author
FOUmediapublisher, 2006
Buku Teks