(1959). Labor and economic development: One of a series of books from the research program of the Institute of Industrial Relations, University of California. New York: Wiley.
Dyfyniad Arddull ChicagoLabor and Economic Development: One of a Series of Books From the Research Program of the Institute of Industrial Relations, University of California. New York: Wiley, 1959.
Dyfyniad MLALabor and Economic Development: One of a Series of Books From the Research Program of the Institute of Industrial Relations, University of California. New York: Wiley, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.