Gaya APA

Canter, L., Canter, M. (1992). Assertive Discipline: positive behavior management for todays classroom . California: Lee Canter and Assoiates.

Gaya MLA

Canter, Lee., Canter, Marlene. "Assertive Discipline: positive behavior management for todays classroom". California: Lee Canter and Assoiates, 1992. Text.