Corey, M. S., & Marianne Schneider Corey; Gerald Corey. (2007). Becoming a helper. Belmont, CA: Thomson Higher Education.
Citación estilo ChicagoCorey, Marianne Schneider, y Marianne Schneider Corey; Gerald Corey. Becoming a Helper. Belmont, CA: Thomson Higher Education, 2007.
Cita MLACorey, Marianne Schneider, y Marianne Schneider Corey; Gerald Corey. Becoming a Helper. Belmont, CA: Thomson Higher Education, 2007.
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