SpringerLink (Online service), Leal Filho, W., Mifsud, M., & Pace, P. (2018). Handbook of Lifelong Learning for Sustainable Development (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-63534-7
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Walter Leal Filho, Mark Mifsud, και Paul Pace. Handbook of Lifelong Learning for Sustainable Development. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-63534-7.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Handbook of Lifelong Learning for Sustainable Development. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-63534-7.
