Kofman, Fred
Conscious business: how to build value through values
Sounds True , 2006
Buku Teks
Schwartz, David Joseph
Berpikir dan berjiwa besar = the magic of thinking big
Binarupa Aksara, 1992
Buku Teks
Schwartz, David Joseph
Berfikir & berjiwa besar = The magic of thinking big
Pustaka Delapratasa, 1999
Buku Teks
Schwartz, David Joseph
Berpikir dan berjiwa besar = the magic of thinking big
Binarupa Aksara, 1996
Buku Teks
Robbins, Anthony
Awaken the giant within : how to take immediate control of your mental, emotional, physical & financial destiny!
A Freeside Book, 1991
Buku Teks