Leontief, W. (1986). Input-Output economics. New York: Oxford University Press.
Dyfyniad Arddull ChicagoLeontief, Wassily. Input-Output Economics. New York: Oxford University Press, 1986.
Dyfyniad MLALeontief, Wassily. Input-Output Economics. New York: Oxford University Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.