O'Donnel. John L. (1964). Elements of Financial Administration. Prentice-Hall of India.
Dyfyniad Arddull ChicagoO'Donnel. John L. Elements of Financial Administration. New Delhi: Prentice-Hall of India, 1964.
Dyfyniad MLAO'Donnel. John L. Elements of Financial Administration. Prentice-Hall of India, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.