(2000). Percentile Distribution of Writing Performance Scores: 1984-96. U.S. Department of Education.
Cita Chicago (17th ed.)Percentile Distribution of Writing Performance Scores: 1984-96. U.S. Department of Education, 2000.
Cita MLA (9th ed.)Percentile Distribution of Writing Performance Scores: 1984-96. U.S. Department of Education, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.