Bloom, A. (1987). The closing of the American mind: How higher education has failed democracy and impoverished the souls of today's students. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Bloom, Allan. The Closing of the American Mind: How Higher Education Has Failed Democracy and Impoverished the Souls of Today's Students. New York: Simon and Schuster, 1987.
Lua MLA (8ú heag.)Bloom, Allan. The Closing of the American Mind: How Higher Education Has Failed Democracy and Impoverished the Souls of Today's Students. Simon and Schuster, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.