Manz, C. C. (2003). Emotional discipline: The power to choose how you feel : 5 life changing steps to feeling better every day. Berrett-Koehler.
Dyfyniad Arddull ChicagoManz, 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.
Dyfyniad MLAManz, Charles C. Emotional Discipline: The Power to Choose How You Feel : 5 Life Changing Steps to Feeling Better Every Day. Berrett-Koehler, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.