HOWLETT, J. (2013). progressive education: :a critical introduction. Bloomsbury Aademic.
Čikaški stil citiranja (17. izdanje)HOWLETT, John. Progressive Education: :a Critical Introduction. Bloomsbury Aademic, 2013.
MLA način citiranja (9. izdanje)HOWLETT, John. Progressive Education: :a Critical Introduction. Bloomsbury Aademic, 2013.
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