Spencer, H. (1872). Education: Intellectual, moral, and physical. D. Appleton and Company.
Cita Chicago Style (17a ed.)Spencer, Herbert. Education: Intellectual, Moral, and Physical. New York: D. Appleton and Company, 1872.
Cita MLA (9a ed.)Spencer, Herbert. Education: Intellectual, Moral, and Physical. D. Appleton and Company, 1872.
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