SpringerLink (Online service), Leal Filho, W., Azeiteiro, U. M., Alves, F., & Molthan-Hill, P. (2017). Handbook of Theory and Practice of Sustainable Development in Higher Education: Volume 4. Springer International Publishing : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Walter Leal Filho, Ulisses M. Azeiteiro, Fátima Alves, και Petra Molthan-Hill. Handbook of Theory and Practice of Sustainable Development in Higher Education: Volume 4. Cham: Springer International Publishing : Imprint: Springer, 2017.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Handbook of Theory and Practice of Sustainable Development in Higher Education: Volume 4. Springer International Publishing : Imprint: Springer, 2017.
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