Cita APA (7a ed.)

Campbell, D. (2012). Discipline without anger: A new style of classroom management. R & L Education.

Cita Chicago Style (17a ed.)

Campbell, Doug. Discipline Without Anger: A New Style of Classroom Management. Lanham, Md.: R & L Education, 2012.

Cita MLA (8a ed.)

Campbell, Doug. Discipline Without Anger: A New Style of Classroom Management. R & L Education, 2012.