Culbertson, J. M. (1964). Full employment or stagnation? New York: McGraw-Hill.
Dyfyniad Arddull ChicagoCulbertson, J. M. Full Employment or Stagnation? New York: McGraw-Hill, 1964.
Dyfyniad MLACulbertson, J. M. Full Employment or Stagnation? New York: McGraw-Hill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.