A Failure of Nerve: Leadership in the Age of the Quick Fix, Edwin H. Friedman, Seabury Books, NY 2007.
The Eight Concepts of Bowen Theory: A New Way of Thinking About The Individual and The Group, Roberta Gilbert, M.D., Leading Systems Press, Virginia, 2006.
Love’s Hidden Symmetry: What Make Love Work in Relationships, Bert Hellinger, with Gunthard Weber and Hunter Beaumont, Zeig, Tucker and Company, Phoenix, AR 1998
Supporting Love: How Love Works in Couple Relationships, Bert Hellinger, Zeig, Tucker and Company, Phoenix, AR 2001.
The Fifth Discipline: The Art & Practice of The Learning Organization [Abridged, Audiobook] [Audio CD]