(2006). National Household Education Surveys Program of 2001-05 Electronic Codebook & Public-Use Data Files. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)National Household Education Surveys Program of 2001-05 Electronic Codebook & Public-Use Data Files. U.S. Department of Education, 2006.
Citatione MLA (9a ed.)National Household Education Surveys Program of 2001-05 Electronic Codebook & Public-Use Data Files. U.S. Department of Education, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.