Erickson, G. D. (1976). Family therapy: An introduction to theory and... Jason.
Lua i Stíl Chicago (17ú heag.)Erickson, Gerald D. Family Therapy: An Introduction to Theory and... New York: Jason, 1976.
Lua MLA (9ú heag.)Erickson, Gerald D. Family Therapy: An Introduction to Theory and... Jason, 1976.
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