Настольная книга настоящего лидера

Laurence J. Peter and Raymond Hull «The Peter Principle» (New York: William Morrow, 1969).

Адаптировано из John Baldoni, «What Is Leadership Presence?» HR.com, june 2007.

David Eisenhower, Eisenhower at War, 1943–1945 (New York: Random House, 1987), p. 251.

Tim Weiner, «Alexander M. Haig, Jr., Forceful Aide to 2 Presidents, Dies», New York Times, February 21, 2010.

Susan Chira, «Honda Is Powered by Risks», New York Times, June 15, 1987.