World Institute for Development Economics Research, Nussbaum, M. C., & Sen, A. K. (1993). The Quality of life. Clarendon Press ; Oxford University Press.
Lua i Stíl Chicago (17ú heag.)World Institute for Development Economics Research, Martha Craven Nussbaum, agus Amartya Kumar Sen. The Quality of Life. Oxford [England] : New York: Clarendon Press ; Oxford University Press, 1993.
Lua MLA (8ú heag.)World Institute for Development Economics Research, et al. The Quality of Life. Clarendon Press ; Oxford University Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.