Graddy, K., & Stevens, M. (2003). The Impact of School Inputs on Student Performance: An Empirical Study of Private Schools in the United Kingdom. Department of Economics (University of Oxford).
Lua i Stíl Chicago (17ú heag.)Graddy, K., agus M. Stevens. The Impact of School Inputs on Student Performance: An Empirical Study of Private Schools in the United Kingdom. Department of Economics (University of Oxford), 2003.
Lua MLA (9ú heag.)Graddy, K., agus M. Stevens. The Impact of School Inputs on Student Performance: An Empirical Study of Private Schools in the United Kingdom. Department of Economics (University of Oxford), 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.