APA-čujuhus (7. p.)
Rugg, H., & Axtelle, G. R. (1939). Democracy and the curriculum: The life and program of the American school. Appleton-Century.
Chicago-čujuhus (17. p.)
Rugg, Harold, juo George R. Axtelle. Democracy and the Curriculum: The Life and Program of the American School. New York, London: Appleton-Century, 1939.
MLA-čujuhus (9. p.)
Rugg, Harold, juo George R. Axtelle. Democracy and the Curriculum: The Life and Program of the American School. Appleton-Century, 1939.
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