(2000). Ratio of median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education.
Lua i Stíl Chicago (17ú heag.)Ratio of Median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education, 2000.
Lua MLA (9ú heag.)Ratio of Median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.