Haugen, R. A. (1997). Modern investment theory. Prentice-Hall.
Chicago-čujuhus (17. p.)Haugen, Robert A. Modern Investment Theory. London: Prentice-Hall, 1997.
MLA-čujuhus (9. p.)Haugen, Robert A. Modern Investment Theory. Prentice-Hall, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.