(2000). Educational Attainment. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Educational Attainment. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Educational Attainment. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.