APA (7th ed.) Zitazioa

Elton, E. J., Gruber, M. J., Brown, S. J., & Goetzmann, W. N. (2003). Modern portfolio theory and investment analysis (6a. ed.). John Wiley and Sons.

Chicago Style (17th ed.) Zitazioa

Elton, Edwin J., Martin Jay Gruber, Stephen J. Brown, eta William N. Goetzmann. Modern Portfolio Theory and Investment Analysis. 6a. ed. Hoboken: John Wiley and Sons, 2003.

MLA (9th ed.) Zitazioa

Elton, Edwin J., et al. Modern Portfolio Theory and Investment Analysis. 6a. ed. John Wiley and Sons, 2003.