Corey, M. S., & Corey, G. (1988). Becoming a helper. Brooks/Cole.
Citación estilo ChicagoCorey, Marianne Schneider, and Gerald Corey. Becoming a Helper. California: Brooks/Cole, 1988.
Cita MLACorey, Marianne Schneider, and Gerald Corey. Becoming a Helper. Brooks/Cole, 1988.
Warning: These citations may not always be 100% accurate.