Percentage of Students Who Used A Computer at Home: 1997. US Department of Education.
Citazione stile Chigago Style (17a edizione)Percentage of Students Who Used A Computer at Home: 1997. US Department of Education.
Citatione MLA (9a ed.)Percentage of Students Who Used A Computer at Home: 1997. US Department of Education.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.