Παραπομπή σε μορφή APA (7η εκδ.)

Sweeney, D. S., & Homeyer, L. (1999). The handbook of group play therapy: How to do it, how it works, whom it's best for. Jossey-Bass Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sweeney, Daniel S., και Linda Homeyer. The Handbook of Group Play Therapy: How to Do It, How It Works, Whom It's Best for. San Francisco: Jossey-Bass Publishers, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sweeney, Daniel S., και Linda Homeyer. The Handbook of Group Play Therapy: How to Do It, How It Works, Whom It's Best for. Jossey-Bass Publishers, 1999.