Bitterman, A., Gray, L., & Goldring, R. (2013). Characteristics of Public and Private Elementary and Secondary Schools in the United States: Results from the 2011-12 Schools and Staffing Survey. First Look. NCES 2013-312.
Citazione stile Chigago Style (17a edizione)Bitterman, Amy, Lucinda Gray, e Rebecca Goldring. Characteristics of Public and Private Elementary and Secondary Schools in the United States: Results from the 2011-12 Schools and Staffing Survey. First Look. NCES 2013-312. 2013.
Citatione MLA (9a ed.)Bitterman, Amy, et al. Characteristics of Public and Private Elementary and Secondary Schools in the United States: Results from the 2011-12 Schools and Staffing Survey. First Look. NCES 2013-312. 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.