Haugen, R. A. (2001). Modern investment theory. New Jersey: Prentice Hall.
Dyfyniad Arddull ChicagoHaugen, Robert A. Modern Investment Theory. New Jersey: Prentice Hall, 2001.
Dyfyniad MLAHaugen, Robert A. Modern Investment Theory. New Jersey: Prentice Hall, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.