National Center for Education Statistics & Hofferth, S. L. (1994). Access to early childhood programs for children at risk. U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics.
Chicago Style (17th ed.) CitationNational Center for Education Statistics and Sandra L. Hofferth. Access to Early Childhood Programs for Children at Risk. Washington, DC: U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics, 1994.
MLA (9th ed.) CitationNational Center for Education Statistics and Sandra L. Hofferth. Access to Early Childhood Programs for Children at Risk. U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics, 1994.