(1999). Education statistics quarterly.
Chicago-stil citatEducation Statistics Quarterly. Washington, DC: National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.
MLA-referensEducation Statistics Quarterly. Washington, DC: National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.