Gaya APA
Wolfgang, C, H. (1999-2004).
Solving Discipline and Classroom Management Problems: Methods and Models for Today's Teachers .
New York:
John Wiley & Sons.
Gaya MLA
Wolfgang, Charles, H..
"Solving Discipline and Classroom Management Problems: Methods and Models for Today's Teachers".
New York:
John Wiley & Sons,
1999-2004.
Text.