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Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service), Jan Delhey, agus Hilke Brockmann. Human Happiness and the Pursuit of Maximization: Is More Always Better? Dordrecht: Springer Netherlands, 2013.
Lua MLA (8ú heag.)SpringerLink (Online service), et al. Human Happiness and the Pursuit of Maximization: Is More Always Better? Springer Netherlands, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.