(2000). Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education.
Čikaški stil citiranja (17. izdanje)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.
MLA način citiranja (9. izdanje)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.