Sharp, W. F. (1978). Investments. Prentice-Hall of India.
Dyfyniad Arddull ChicagoSharp, William F. Investments. New Jersey: Prentice-Hall of India, 1978.
Dyfyniad MLASharp, William F. Investments. Prentice-Hall of India, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.