Freedman, D. X. (1981). The yearbook of psychiatry and applied mental health 1981. YearBook Medical.
Chicago-viite (17. p.)Freedman, Daniel X. The Yearbook of Psychiatry and Applied Mental Health 1981. YearBook Medical, 1981.
MLA-viite (9. p.)Freedman, Daniel X. The Yearbook of Psychiatry and Applied Mental Health 1981. YearBook Medical, 1981.
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