Peterson, P. E., & Campbell, D. E. (2001). Charters, vouchers, and public education. Brookings Institution Press.
Cita Chicago (17th ed.)Peterson, Paul E., i David E. Campbell. Charters, Vouchers, and Public Education. Washington, D. C: Brookings Institution Press, 2001.
Cita MLA (9th ed.)Peterson, Paul E., i David E. Campbell. Charters, Vouchers, and Public Education. Brookings Institution Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.