Παραπομπή σε μορφή APA (7η εκδ.)

Wilson, K., & Ryan, V. (2005). Play therapy: A non-directive approach for children and adolescents (2nd ed.). Bailliere Tindall Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wilson, Kate, και Virginia Ryan. Play Therapy: A Non-directive Approach for Children and Adolescents. 2nd ed. Edinburgh New York: Bailliere Tindall Elsevier, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wilson, Kate, και Virginia Ryan. Play Therapy: A Non-directive Approach for Children and Adolescents. 2nd ed. Bailliere Tindall Elsevier, 2005.