Wolfgang, C. H. (2009). Solving discipline and classroom management problems: Methods and models for today's teachers (7 edición.). Wiley.
Lua i Stíl Chicago (17ú heag.)Wolfgang, Charles H. Solving Discipline and Classroom Management Problems: Methods and Models for Today's Teachers. 7 edición. Hoboken, NJ: Wiley, 2009.
Lua MLA (9ú heag.)Wolfgang, Charles H. Solving Discipline and Classroom Management Problems: Methods and Models for Today's Teachers. 7 edición. Wiley, 2009.
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