Cita APA (7a ed.)
Lieberman, M. A., Yalom, I. D., & Miles, M. B. Encounter Groups: First Facts. Basic Books.
Cita estilo Chicago (17a ed.)
Lieberman, Morton A., Irvin D. Yalom, y Matthew B. Miles. Encounter Groups: First Facts. Nueva York, EUA: Basic Books.
Cita MLA (9a ed.)
Lieberman, Morton A., et al. Encounter Groups: First Facts. Basic Books.
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