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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Reading Performance of 4th-, 8th-, & 12th- Grade Students. U.S. Department of Education, 2000.
MLA -ийн эшлэл (9 дэх хэвлэлт)Reading Performance of 4th-, 8th-, & 12th- Grade Students. U.S. Department of Education, 2000.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.