Schrope, M. (2013). Solving tough problems with games. National Academy of Sciences.
Chicago ZitierstilSchrope, Mark. Solving Tough Problems With Games. National Academy of Sciences, 2013.
MLA ZitierstilSchrope, Mark. Solving Tough Problems With Games. National Academy of Sciences, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.