Cita APA

Elton, E. J. G. (1991). Modern portfolio theory and investment analysis (4 edition.). John Wiley & Sons.

Chicago Edition Citation

Elton, Edwin J; Gruber. Modern Portfolio Theory and Investment Analysis. 4 edition. Singapore: John Wiley & Sons, 1991.

Cita MLA

Elton, Edwin J; Gruber. Modern Portfolio Theory and Investment Analysis. 4 edition. John Wiley & Sons, 1991.