APA aipamena

HAUGEN, R. A. (1989). Modern investment theory.-- ed.2. Prentice-Hall.

Chicago Style aipamena

HAUGEN, Robert A. Modern Investment Theory.-- Ed.2. New Jersey: Prentice-Hall, 1989.

MLA aipamena

HAUGEN, Robert A. Modern Investment Theory.-- Ed.2. Prentice-Hall, 1989.