(2000). Ratio of median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Ratio of Median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Ratio of Median Annual Earnings for Salary Workers Ages 25-34. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.