Dyfyniad APA
Haugen, R. A. (2001). Modern investment theory (5th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Haugen, Robert A. Modern Investment Theory. 5th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 2001.
Dyfyniad MLA
Haugen, Robert A. Modern Investment Theory. 5th ed. Prentice Hall, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.