(2000). Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education.
Cita Chicago (17th ed.)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.
Cita MLA (9th ed.)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.