APA (7e ed.) Bronvermelding

Pro-Ed (Firm) & Hammill Institute on Disabilities. (1999). Journal of positive behavior interventions. Pro-Ed.

Chicago (17e ed.) Bronvermelding

Pro-Ed (Firm) en Hammill Institute on Disabilities. Journal of Positive Behavior Interventions. Austin, TX: Pro-Ed, 1999.

MLA (9e ed.) Bronvermelding

Pro-Ed (Firm) en Hammill Institute on Disabilities. Journal of Positive Behavior Interventions. Pro-Ed, 1999.