Dyfyniad APA

Elton, E. J., & Goetzmann, W. N. G. (2010). Modern Portfolio Theory and Investment Analysis (8th.). John Wiley and Sons.

Dyfyniad Arddull Chicago

Elton, Edwin J., and William N Goetzmann Goetzmann. Modern Portfolio Theory and Investment Analysis. 8th. New delhi: John Wiley and Sons, 2010.

Dyfyniad MLA

Elton, Edwin J., and William N Goetzmann Goetzmann. Modern Portfolio Theory and Investment Analysis. 8th. John Wiley and Sons, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.