Wild, R. (1981). Management and production readings. New York: Penguin Book.
Dyfyniad Arddull ChicagoWild, Ray. Management and Production Readings. New York: Penguin Book, 1981.
Dyfyniad MLAWild, Ray. Management and Production Readings. New York: Penguin Book, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.