Goldbart, Stephen
Affluence intelligence : earn more, worry less, and live a happy and balanced life
Da Capo Press, 2011
Buku Teks
Fein, Ellen.,
The rules II: more rules to live and love / by Sherrie Schneider
Warner Books, 1997
Buku Teks
Smith-Hemphill, D.A.
Cyberassistant : how to use the internet to get more done in less time
Amacom, 1999
Buku Teks
Tracy, Brian
Time power: a proven system for getting more done in less time than you ever thought possible
American Management Association, 2004
eBooks
Sandler, Corey
Buy more pay less
Prentice-Hall, 2001
Buku Teks