Wolfgang, C. H. (1999). Solving discipline problems: Methods and models for today's teachers (4th ed.). Boston: Allyn and Bacon.
Chicago ZitierstilWolfgang, Charles H. Solving Discipline Problems: Methods and Models for Today's Teachers. 4th ed. Boston: Allyn and Bacon, 1999.
MLA ZitierstilWolfgang, Charles H. Solving Discipline Problems: Methods and Models for Today's Teachers. 4th ed. Boston: Allyn and Bacon, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.