Gaya APA

Crone, D, A. et al (2010). Responding to problem behavior in schools : the behavior education program (2nd ed). New York: The Guilford Press.

Gaya MLA

Crone, Deanne, A.. et al. "Responding to problem behavior in schools : the behavior education program". 2nd ed New York: The Guilford Press, 2010. Text.