Παραπομπή APA

Elton,Edwin J, & Gruber,Martin J. (1994). Modern portfolio theory and investment analysis (4th ed.). John Wiley & Sons.

Παραπομπή Chicago Style

Elton,Edwin J, και Gruber,Martin J. Modern Portfolio Theory and Investment Analysis. 4th ed. New York: John Wiley & Sons, 1994.

Παραπομπή MLA

Elton,Edwin J, και Gruber,Martin J. Modern Portfolio Theory and Investment Analysis. 4th ed. John Wiley & Sons, 1994.