Não informado. (1961). Psychological Research Bulletin. Lund University, Psychological Laboratory.
Chicago-viite (17. p.)Não informado. Psychological Research Bulletin. Lund, Suecia: Lund University, Psychological Laboratory, 1961.
MLA-viite (8. p.)Não informado. Psychological Research Bulletin. Lund University, Psychological Laboratory, 1961.
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