Gray, J., & Wilcox, B. (1995). Good school, bad school: Evaluating performance and encouraging improvement. Open University Press.
Čikaški stil citiranja (17. izdanje)Gray, John, i B. Wilcox. Good School, Bad School: Evaluating Performance and Encouraging Improvement. Buckingham ; Philadelphia: Open University Press, 1995.
MLA način citiranja (9. izdanje)Gray, John, i B. Wilcox. Good School, Bad School: Evaluating Performance and Encouraging Improvement. Open University Press, 1995.
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