Temes, Roberta
Solace: finding your way through grief and learning to live again
American Management Association, 2009
 eBooks
Budworth, Geoffrey
The right way to improve your memory / by Geoffrey Budworth
Jaico Pub, 2002
 Buku Teks
Liker, Jeffrey K.
Toyota talent: developing your people the toyota way
McGraw-Hill, 2007
 Buku Teks
Humes. James C.
Talk your way to the top/ James C. Humes
McGraw-Hill , 1980
 Buku Teks
Scott, Gini Graham
Want it, see it, get it: visualize your way to success
American Management Association, 2009
 eBooks