HAUGEN, R. A. (1989). Modern investment theory.-- ed.2. Prentice-Hall.
Cita Chicago (17th ed.)HAUGEN, Robert A. Modern Investment Theory.-- Ed.2. New Jersey: Prentice-Hall, 1989.
Cita MLA (9th ed.)HAUGEN, Robert A. Modern Investment Theory.-- Ed.2. Prentice-Hall, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.