HAUGEN, R. A. (1997). Modern investment theory.-- ed.4. Prentice Hall.
Cita Chicago (17th ed.)HAUGEN, Robert A. Modern Investment Theory.-- Ed.4. London: Prentice Hall, 1997.
Cita MLA (9th ed.)HAUGEN, Robert A. Modern Investment Theory.-- Ed.4. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.