SpringerLink (Online service) & Formosa, M. (2019). The University of the Third Age and Active Ageing: European and Asian-Pacific Perspectives (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-21515-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Marvin Formosa. The University of the Third Age and Active Ageing: European and Asian-Pacific Perspectives. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-21515-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Marvin Formosa. The University of the Third Age and Active Ageing: European and Asian-Pacific Perspectives. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-21515-6.