National Center for Education Statistics. (1999). Education statistics quarterly. National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education.
Style de citation Chicago (17e éd.)National Center for Education Statistics. Education Statistics Quarterly. Washington, DC: National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.
Style de citation MLA (9e éd.)National Center for Education Statistics. Education Statistics Quarterly. National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.