Whittaker, J. K. (1974). Social treatment: An approach to interpersonal helping. Aldine Pub. Co.
Lua i Stíl Chicago (17ú heag.)Whittaker, James K. Social Treatment: An Approach to Interpersonal Helping. Chicago: Aldine Pub. Co, 1974.
Lua MLA (8ú heag.)Whittaker, James K. Social Treatment: An Approach to Interpersonal Helping. Aldine Pub. Co, 1974.
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