Cita APA

Harris, I. D. (1961). Emotional blocks to learning: A study of the reasons for failure in school. Free prees of Glencoe.

Citación estilo Chicago

Harris, Irving D. Emotional Blocks to Learning: A Study of the Reasons for Failure in School. Estados Unidos: Free prees of Glencoe, 1961.

Cita MLA

Harris, Irving D. Emotional Blocks to Learning: A Study of the Reasons for Failure in School. Estados Unidos: Free prees of Glencoe, 1961.