Hughes, F. P. (1995). Children, play, and development (2nd ed.). Boston: Allyn and Bacon.
Chicago ZitierstilHughes, Fergus P. Children, Play, and Development. 2nd ed. Boston: Allyn and Bacon, 1995.
MLA ZitierstilHughes, Fergus P. Children, Play, and Development. 2nd ed. Boston: Allyn and Bacon, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.