Bitterman, A., & Gray, L. (2013). Characteristics of public and private elementary and secondary school principals in the United States: Results from the 2011-12 Schools and Staffing Survey. National Center for Education Statistics, Institute of Education Sciences.
Chicago Style (17th ed.) CitationBitterman, Amy, and Lucinda Gray. Characteristics of Public and Private Elementary and Secondary School Principals in the United States: Results from the 2011-12 Schools and Staffing Survey. Washington, DC: National Center for Education Statistics, Institute of Education Sciences, 2013.
MLA (9th ed.) CitationBitterman, Amy, and Lucinda Gray. Characteristics of Public and Private Elementary and Secondary School Principals in the United States: Results from the 2011-12 Schools and Staffing Survey. National Center for Education Statistics, Institute of Education Sciences, 2013.