(2000). Percentage of the Population who Completed Secondary & Higher Education. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Percentage of the Population Who Completed Secondary & Higher Education. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Percentage of the Population Who Completed Secondary & Higher Education. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.