Crowley, F. G. (1972). Domingo Faustino Sarmiento. Twayne Publishers.
Cita Chicago Style (17a ed.)Crowley, Frances G. Domingo Faustino Sarmiento. New York: Twayne Publishers, 1972.
Cita MLA (9a ed.)Crowley, Frances G. Domingo Faustino Sarmiento. Twayne Publishers, 1972.
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