Dyfyniad APA
Scitovsky, T. (1992). The joyless economy: The psychology of human satisfaction (Rev. ed.). Oxford University Press.
Dyfyniad Arddull Chicago
Scitovsky, Tibor. The Joyless Economy: The Psychology of Human Satisfaction. Rev. ed. New York: Oxford University Press, 1992.
Dyfyniad MLA
Scitovsky, Tibor. The Joyless Economy: The Psychology of Human Satisfaction. Rev. ed. Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.