Henrici, S. (1960). Standard costs for manufacturing/3e (3rd ed.). McGraw Hill.
Dyfyniad Arddull ChicagoHenrici, S.B. Standard Costs for Manufacturing/3e. 3rd ed. New York: McGraw Hill, 1960.
Dyfyniad MLAHenrici, S.B. Standard Costs for Manufacturing/3e. 3rd ed. McGraw Hill, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.