Freud, S., & Freud sigmund. (1960). Group psychology and the analysis of the ego. Banam.
Chicago-čujuhus (17. p.)Freud, Sigmund, juo Freud sigmund. Group Psychology and the Analysis of the Ego. New York: Banam, 1960.
MLA-čujuhus (9. p.)Freud, Sigmund, juo Freud sigmund. Group Psychology and the Analysis of the Ego. Banam, 1960.
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