Koerrenz, R., Blichmann, A., & Engelmann, S. (2018). Alternative Schooling and New Education: European Concepts and Theories (1st ed. 2018.). Springer International Publishing : Imprint: Palgrave Pivot. https://doi.org/10.1007/978-3-319-67864-1
Παραπομπή σε μορφή Chicago (17η εκδ.)Koerrenz, Ralf, Annika Blichmann, και Sebastian Engelmann. Alternative Schooling and New Education: European Concepts and Theories. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Palgrave Pivot, 2018. https://doi.org/10.1007/978-3-319-67864-1.
Παραπομπή σε μορφή MLA (8th εκδ.)Koerrenz, Ralf, et al. Alternative Schooling and New Education: European Concepts and Theories. 1st ed. 2018. Springer International Publishing : Imprint: Palgrave Pivot, 2018. https://doi.org/10.1007/978-3-319-67864-1.
