Lua APA (7ú heag.)
Kirkwood, T. B. L., & Cooper, C. L. (2014). Wellbeing in later life. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Kirkwood, T. B. L., agus Cary L. Cooper. Wellbeing in Later Life. Chichester, West Sussex: John Wiley & Sons, 2014.
Lua MLA (9ú heag.)
Kirkwood, T. B. L., agus Cary L. Cooper. Wellbeing in Later Life. John Wiley & Sons, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.