Sen, A. K., Hawthorn, G., & Muellbauer, J. (1987). The standard of living. Cambridge University Press.
Dyfyniad Arddull ChicagoSen, Amartya Kumar, Geoffrey Hawthorn, and John Muellbauer. The Standard of Living. Cambridge: Cambridge University Press, 1987.
Dyfyniad MLASen, Amartya Kumar, et al. The Standard of Living. Cambridge University Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.