(2009). Condition of Education 2009. U.S. Department of Education.
Lua i Stíl Chicago (17ú heag.)Condition of Education 2009. U.S. Department of Education, 2009.
Lua MLA (9ú heag.)Condition of Education 2009. U.S. Department of Education, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.