Cita APA (7a ed.)
Gazda, G. M. (1971). Innovations to group psychotherapy. Charles C. Thomas.
Cita estilo Chicago (17a ed.)
Gazda, George M. Innovations to Group Psychotherapy. Springfield, EUA: Charles C. Thomas, 1971.
Cita MLA (9a ed.)
Gazda, George M. Innovations to Group Psychotherapy. Charles C. Thomas, 1971.
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