Haugen, R. A. (2001). Modern investment theory (Fifth edition.). Prentice Hall.
Cita Chicago (17th ed.)Haugen, Robert A. Modern Investment Theory. Fifth edition. Upper Saddle River, N.J.: Prentice Hall, 2001.
Cita MLA (9th ed.)Haugen, Robert A. Modern Investment Theory. Fifth edition. Prentice Hall, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.