Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.
Цитирование в стиле Чикаго (17-е изд.)Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.
Цитирование MLA (9-е изд.)Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.