SpringerLink (Online service), Findsen, B., & Formosa, M. (2011). Lifelong Learning in Later Life: A Handbook on Older Adult Learning. SensePublishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Brian Findsen, και Marvin Formosa. Lifelong Learning in Later Life: A Handbook on Older Adult Learning. Rotterdam: SensePublishers, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Lifelong Learning in Later Life: A Handbook on Older Adult Learning. SensePublishers, 2011.
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