Haugen, R. A. (1997). Modern investment theory. Englewood Cliffs, N. J: Prentice-Hall.
Chicago Style aipamenaHaugen, Robert A. Modern Investment Theory. Englewood Cliffs, N. J: Prentice-Hall, 1997.
MLA aipamenaHaugen, Robert A. Modern Investment Theory. Englewood Cliffs, N. J: Prentice-Hall, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.