(2000). Calculation of National Index of Public Effort to Fund Education. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Calculation of National Index of Public Effort to Fund Education. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Calculation of National Index of Public Effort to Fund Education. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.