(2000). Distribution of 8th- Grade Students According to Frequency of Math Exams. U.S. Department of Education.
Lua i Stíl Chicago (17ú heag.)Distribution of 8th- Grade Students According to Frequency of Math Exams. U.S. Department of Education, 2000.
Lua MLA (9ú heag.)Distribution of 8th- Grade Students According to Frequency of Math Exams. U.S. Department of Education, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.