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