Worth, P. (2022). Positive psychology across the lifespan: An existential perspective. Routledge, an imprint of the Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Worth, Piers. Positive Psychology Across the Lifespan: An Existential Perspective. Abingdon, Oxon, [England]: Routledge, an imprint of the Taylor & Francis Group, 2022.
Lua MLA (9ú heag.)Worth, Piers. Positive Psychology Across the Lifespan: An Existential Perspective. Routledge, an imprint of the Taylor & Francis Group, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.