APA (7th ed.) Zitazioa
Elton, E. J. (2003). Modern portfolio theory and investment analysis (6th ed.). John Wiley & sons Inc..
Chicago Style (17th ed.) Zitazioa
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. USA: John Wiley & sons Inc., 2003.
MLA (9th ed.) Zitazioa
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. John Wiley & sons Inc., 2003.
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