SpringerLink (Online service), O'Brien, H., & Cairns, P. (2016). Why Engagement Matters: Cross-Disciplinary Perspectives of User Engagement in Digital Media. Springer International Publishing : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Heather O'Brien, και Paul Cairns. Why Engagement Matters: Cross-Disciplinary Perspectives of User Engagement in Digital Media. Cham: Springer International Publishing : Imprint: Springer, 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Why Engagement Matters: Cross-Disciplinary Perspectives of User Engagement in Digital Media. Springer International Publishing : Imprint: Springer, 2016.
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