(2000). Political Knowledge of Students in Grades 9-12. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Political Knowledge of Students in Grades 9-12. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Political Knowledge of Students in Grades 9-12. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.