Guthrie, G. (2011). The Progressive Education Fallacy in Developing Countries: In Favour of Formalism. Springer Netherlands. https://doi.org/10.1007/978-94-007-1851-7
Lua i Stíl Chicago (17ú heag.)Guthrie, Gerard. The Progressive Education Fallacy in Developing Countries: In Favour of Formalism. Dordrecht: Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-1851-7.
Lua MLA (9ú heag.)Guthrie, Gerard. The Progressive Education Fallacy in Developing Countries: In Favour of Formalism. Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-1851-7.
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