Schumpeter, J. A. (1969). Ten great economists. New York: Oxford University Press.
Dyfyniad Arddull ChicagoSchumpeter, Joseph A. Ten Great Economists. New York: Oxford University Press, 1969.
Dyfyniad MLASchumpeter, Joseph A. Ten Great Economists. New York: Oxford University Press, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.