Crenshaw, D. (2017). The power of having fun: How meaningful breaks help you get more done (and feel fantastic!) (First edition.). Berrett-Koehler Publishers.
Chicago-Zitierstil (17. Ausg.)Crenshaw, Dave. The Power of Having Fun: How Meaningful Breaks Help You Get More Done (and Feel Fantastic!). First edition. Oakland, CA: Berrett-Koehler Publishers, 2017.
MLA-Zitierstil (9. Ausg.)Crenshaw, Dave. The Power of Having Fun: How Meaningful Breaks Help You Get More Done (and Feel Fantastic!). First edition. Berrett-Koehler Publishers, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.