Cita APA (7th ed.)

Crimmins, D. B. (2007). Positive strategies for students with behavior problems. P.H. Brookes Pub.

Cita Chicago (17th ed.)

Crimmins, Daniel B. Positive Strategies for Students with Behavior Problems. Baltimore: P.H. Brookes Pub, 2007.

Cita MLA (9th ed.)

Crimmins, Daniel B. Positive Strategies for Students with Behavior Problems. P.H. Brookes Pub, 2007.