Fenn, D. H. (1960). Business responsibility in action. Mc Graw Hill.
Dyfyniad Arddull ChicagoFenn, Dan H. Business Responsibility in Action. New York: Mc Graw Hill, 1960.
Dyfyniad MLAFenn, Dan H. Business Responsibility in Action. Mc Graw Hill, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.