Sweeney, D. S., Baggerly, J., & Ray, D. C. (2014). Group play therapy: A dynamic approach. Routledge, Taylor & Francis Group.
Cita Chicago Style (17a ed.)Sweeney, Daniel S., Jennifer Baggerly, y Dee C. Ray. Group Play Therapy: A Dynamic Approach. New York: Routledge, Taylor & Francis Group, 2014.
Cita MLA (9a ed.)Sweeney, Daniel S., et al. Group Play Therapy: A Dynamic Approach. Routledge, Taylor & Francis Group, 2014.
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