Society for curriculum Study. Committee on secondary education & Everett, S. (1935). A Challenge to secondary education: Plans for the reconstruction of the American High school. Appleton-Century Company, Incorporated.
Cita Chicago (17th ed.)Society for curriculum Study. Committee on secondary education i Samuel Everett. A Challenge to Secondary Education: Plans for the Reconstruction of the American High School. New York, London, D: Appleton-Century Company, Incorporated, 1935.
Cita MLA (9th ed.)Society for curriculum Study. Committee on secondary education i Samuel Everett. A Challenge to Secondary Education: Plans for the Reconstruction of the American High School. Appleton-Century Company, Incorporated, 1935.
Atenció: Aquestes cites poden no estar 100% correctes.