(2000). Trends in the Writing Performance of 4th-, 8th-, & 11th- Grade Students. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Trends in the Writing Performance of 4th-, 8th-, & 11th- Grade Students. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Trends in the Writing Performance of 4th-, 8th-, & 11th- Grade Students. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.