Robert J. Sternberg. Thinking Styles. Cambridge: Cambridge University Press, 1999.
17
Daniel Goleman. Emotional Intelligence. New York: Bantam Books, 1995. P. 161 [Рус. изд.: Гоулман Д. . М.: Манн, Иванов и Фербер, 2013.].
18
Michael M. Lombardo, Robert W. Eichinger. FYI: For Your Improvement, A Guide for Development and Coaching. 5th ed. Minneapolis: Korn/Ferry International, 2009. Р. 389.