Wolfgang, C. H. (1999). Strategies for teaching self-discipline in the middle grades. Boston: Allyn and Bacon.
Chicago ZitierstilWolfgang, Charles H. Strategies for Teaching Self-discipline in the Middle Grades. Boston: Allyn and Bacon, 1999.
MLA ZitierstilWolfgang, Charles H. Strategies for Teaching Self-discipline in the Middle Grades. Boston: Allyn and Bacon, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.