Les 7 habitudes des gens efficaces
Covey, Stephen R.
[United States] : Alexandre Stanké Éditeur, 2017.

The 8th habit : from effectiveness to greatness
Covey, Stephen R.
New York : Free Press, [2004]

The 8th habit : from effectiveness to greatness
Covey, Stephen R.
[United States] : Simon & Schuster Audio, 2012.

The art of work : a proven path to discovering what you were meant to do
Goins, Jeff.
Nashville, Tennessee : Nelson Books, an imprint of Thomas Nelson, [2015]

The call of the entrepreneur

[United States] : Syndicado, 2007.

Career to Calling : how to make the switch
Stewart, Annie, author.
[United States] : W F Howes, 2020.

Disruptive Compassion : Becoming the Revolutionary You Were Born to Be
Donaldson, Hal.
[United States] : Zondervan, 2019.

The four purposes of life : finding meaning and direction in a changing world
Millman, Dan.
Novato, Calif. : H J Kramer : New World Library, [2011]

The identity code : the 8 essential questions for finding your purpose and place in the world
Ackerman, Laurence D., 1950-
[United States] : Blackstone Audio, Inc., 2006.