APA-viite (7. p.)
United States of America, Department of Health Education and Welfare. (1963). Educational research: In Norway in the twentieth century.
Chicago-viite (17. p.)
United States of America, Department of Health Education and Welfare. Educational Research: In Norway in the Twentieth Century. 1963.
MLA-viite (9. p.)
United States of America, Department of Health Education and Welfare. Educational Research: In Norway in the Twentieth Century. 1963.
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