Harris, I. D. (1961). Emotional blocks to learning: A study of the reasons for failure in school. Free Press.
Čikaški stil citiranja (17. izdanje)Harris, Irving D. Emotional Blocks to Learning: A Study of the Reasons for Failure in School. New York: Free Press, 1961.
MLA način citiranja (9. izdanje)Harris, Irving D. Emotional Blocks to Learning: A Study of the Reasons for Failure in School. Free Press, 1961.
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