Manz, C. C. (2003). Emotional discipline: The power to choose how you feel : 5 life changing steps to feeling better every day. Berrett-Koehler.
Chicago-viite (17. p.)Manz, Charles C. Emotional Discipline: The Power to Choose How You Feel : 5 Life Changing Steps to Feeling Better Every Day. San Francisco: Berrett-Koehler, 2003.
MLA-viite (8. p.)Manz, Charles C. Emotional Discipline: The Power to Choose How You Feel : 5 Life Changing Steps to Feeling Better Every Day. Berrett-Koehler, 2003.
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