APA-Zitierstil (7. Ausg.)

Curwin, R. L., & Mendler, A. N. (1997). As tough as necessary: Countering violence, aggression, and hostility in our schools. Assoc. for Supervision and Curriculum Development.

Chicago-Zitierstil (17. Ausg.)

Curwin, Richard L., und Allen N. Mendler. As Tough as Necessary: Countering Violence, Aggression, and Hostility in Our Schools. Alexandria, Va: Assoc. for Supervision and Curriculum Development, 1997.

MLA-Zitierstil (9. Ausg.)

Curwin, Richard L., und Allen N. Mendler. As Tough as Necessary: Countering Violence, Aggression, and Hostility in Our Schools. Assoc. for Supervision and Curriculum Development, 1997.