Haugen, R. A. (2002). Modern investment theory. Prentice Hall.
Chicago Style aipamenaHaugen, Robert A. Modern Investment Theory. New Delhi: Prentice Hall, 2002.
MLA aipamenaHaugen, Robert A. Modern Investment Theory. Prentice Hall, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.