Shackle,G L S. (1968). A scheme of economic theory. Cambridge University Press.
Dyfyniad Arddull ChicagoShackle,G L S. A Scheme of Economic Theory. London: Cambridge University Press, 1968.
Dyfyniad MLAShackle,G L S. A Scheme of Economic Theory. Cambridge University Press, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.