APA aipamena

Howell, W. G., & Peterson, P. E. (2006). The education gap: Vouchers and urban schools (Rev. ed.). Brookings Institution Press.

Chicago Style aipamena

Howell, William G., and Paul E. Peterson. The Education Gap: Vouchers and Urban Schools. Rev. ed. Washington, D.C: Brookings Institution Press, 2006.

MLA aipamena

Howell, William G., and Paul E. Peterson. The Education Gap: Vouchers and Urban Schools. Rev. ed. Brookings Institution Press, 2006.