Hansen, C. S. (1987). More group retreats. Thom Schultz.
Citación estilo ChicagoHansen, Cindy S. More Group Retreats. Loveland: Thom Schultz, 1987.
Cita MLAHansen, Cindy S. More Group Retreats. Thom Schultz, 1987.
Warning: These citations may not always be 100% accurate.